diff --git a/tests/st/ops/ascend/test_addn.py b/tests/st/ops/ascend/test_addn.py
index efca046b546..6d0d5b5be00 100644
--- a/tests/st/ops/ascend/test_addn.py
+++ b/tests/st/ops/ascend/test_addn.py
@@ -17,9 +17,6 @@ import numpy as np
 import mindspore.context as context
 import mindspore.nn as nn
 from mindspore import Tensor
-from mindspore.common.api import ms_function
-from mindspore.common.initializer import initializer
-from mindspore.common.parameter import Parameter
 from mindspore.ops import operations as P
 
 context.set_context(mode=context.GRAPH_MODE, device_target="Ascend")
@@ -47,4 +44,4 @@ def test_net():
     expect = 3.0
     add = Net()
     output = add(x, y)
-    assert (output == expect)
+    assert output == expect
diff --git a/tests/st/ops/ascend/test_aicpu_ops/test_expand_dims.py b/tests/st/ops/ascend/test_aicpu_ops/test_expand_dims.py
index 22969303b98..29fb0cf4a93 100644
--- a/tests/st/ops/ascend/test_aicpu_ops/test_expand_dims.py
+++ b/tests/st/ops/ascend/test_aicpu_ops/test_expand_dims.py
@@ -17,7 +17,6 @@ import numpy as np
 import mindspore.context as context
 import mindspore.nn as nn
 from mindspore import Tensor
-from mindspore.common.api import ms_function
 from mindspore.ops import operations as P
 
 context.set_context(mode=context.PYNATIVE_MODE, device_target="Ascend")
@@ -37,7 +36,7 @@ def test_net_bool():
     net = Net()
     output = net(Tensor(x), -1)
     print(output.asnumpy())
-    assert (np.all(output.asnumpy() == np.expand_dims(x, -1)))
+    assert np.all(output.asnumpy() == np.expand_dims(x, -1))
 
 
 def test_net_int8():
@@ -45,7 +44,7 @@ def test_net_int8():
     net = Net()
     output = net(Tensor(x), -1)
     print(output.asnumpy())
-    assert (np.all(output.asnumpy() == np.expand_dims(x, -1)))
+    assert np.all(output.asnumpy() == np.expand_dims(x, -1))
 
 
 def test_net_uint8():
@@ -53,7 +52,7 @@ def test_net_uint8():
     net = Net()
     output = net(Tensor(x), -1)
     print(output.asnumpy())
-    assert (np.all(output.asnumpy() == np.expand_dims(x, -1)))
+    assert np.all(output.asnumpy() == np.expand_dims(x, -1))
 
 
 def test_net_int16():
@@ -61,7 +60,7 @@ def test_net_int16():
     net = Net()
     output = net(Tensor(x), -1)
     print(output.asnumpy())
-    assert (np.all(output.asnumpy() == np.expand_dims(x, -1)))
+    assert np.all(output.asnumpy() == np.expand_dims(x, -1))
 
 
 def test_net_uint16():
@@ -69,7 +68,7 @@ def test_net_uint16():
     net = Net()
     output = net(Tensor(x), -1)
     print(output.asnumpy())
-    assert (np.all(output.asnumpy() == np.expand_dims(x, -1)))
+    assert np.all(output.asnumpy() == np.expand_dims(x, -1))
 
 
 def test_net_int32():
@@ -77,7 +76,7 @@ def test_net_int32():
     net = Net()
     output = net(Tensor(x), -1)
     print(output.asnumpy())
-    assert (np.all(output.asnumpy() == np.expand_dims(x, -1)))
+    assert np.all(output.asnumpy() == np.expand_dims(x, -1))
 
 
 def test_net_uint32():
@@ -85,7 +84,7 @@ def test_net_uint32():
     net = Net()
     output = net(Tensor(x), -1)
     print(output.asnumpy())
-    assert (np.all(output.asnumpy() == np.expand_dims(x, -1)))
+    assert np.all(output.asnumpy() == np.expand_dims(x, -1))
 
 
 def test_net_int64():
@@ -93,7 +92,7 @@ def test_net_int64():
     net = Net()
     output = net(Tensor(x), -1)
     print(output.asnumpy())
-    assert (np.all(output.asnumpy() == np.expand_dims(x, -1)))
+    assert np.all(output.asnumpy() == np.expand_dims(x, -1))
 
 
 def test_net_uint64():
@@ -101,7 +100,7 @@ def test_net_uint64():
     net = Net()
     output = net(Tensor(x), -1)
     print(output.asnumpy())
-    assert (np.all(output.asnumpy() == np.expand_dims(x, -1)))
+    assert np.all(output.asnumpy() == np.expand_dims(x, -1))
 
 
 def test_net_float16():
@@ -109,7 +108,7 @@ def test_net_float16():
     net = Net()
     output = net(Tensor(x), -1)
     print(output.asnumpy())
-    assert (np.all(output.asnumpy() == np.expand_dims(x, -1)))
+    assert np.all(output.asnumpy() == np.expand_dims(x, -1))
 
 
 def test_net_float32():
@@ -117,7 +116,7 @@ def test_net_float32():
     net = Net()
     output = net(Tensor(x), -1)
     print(output.asnumpy())
-    assert (np.all(output.asnumpy() == np.expand_dims(x, -1)))
+    assert np.all(output.asnumpy() == np.expand_dims(x, -1))
 
 
 def test_net_float64():
@@ -125,4 +124,4 @@ def test_net_float64():
     net = Net()
     output = net(Tensor(x), -1)
     print(output.asnumpy())
-    assert (np.all(output.asnumpy() == np.expand_dims(x, -1)))
+    assert np.all(output.asnumpy() == np.expand_dims(x, -1))
diff --git a/tests/st/ops/ascend/test_aicpu_ops/test_flatten.py b/tests/st/ops/ascend/test_aicpu_ops/test_flatten.py
index 02f591702e2..3d398db6353 100644
--- a/tests/st/ops/ascend/test_aicpu_ops/test_flatten.py
+++ b/tests/st/ops/ascend/test_aicpu_ops/test_flatten.py
@@ -36,7 +36,7 @@ def test_net_int8():
     net = Net()
     output = net(Tensor(x))
     print(output.asnumpy())
-    assert (np.all(output.asnumpy() == x.flatten()))
+    assert np.all(output.asnumpy() == x.flatten())
 
 
 def test_net_uint8():
@@ -44,7 +44,7 @@ def test_net_uint8():
     net = Net()
     output = net(Tensor(x))
     print(output.asnumpy())
-    assert (np.all(output.asnumpy() == x.flatten()))
+    assert np.all(output.asnumpy() == x.flatten())
 
 
 def test_net_int16():
@@ -52,7 +52,7 @@ def test_net_int16():
     net = Net()
     output = net(Tensor(x))
     print(output.asnumpy())
-    assert (np.all(output.asnumpy() == x.flatten()))
+    assert np.all(output.asnumpy() == x.flatten())
 
 
 def test_net_uint16():
@@ -60,7 +60,7 @@ def test_net_uint16():
     net = Net()
     output = net(Tensor(x))
     print(output.asnumpy())
-    assert (np.all(output.asnumpy() == x.flatten()))
+    assert np.all(output.asnumpy() == x.flatten())
 
 
 def test_net_int32():
@@ -68,7 +68,7 @@ def test_net_int32():
     net = Net()
     output = net(Tensor(x))
     print(output.asnumpy())
-    assert (np.all(output.asnumpy() == x.flatten()))
+    assert np.all(output.asnumpy() == x.flatten())
 
 
 def test_net_uint32():
@@ -76,7 +76,7 @@ def test_net_uint32():
     net = Net()
     output = net(Tensor(x))
     print(output.asnumpy())
-    assert (np.all(output.asnumpy() == x.flatten()))
+    assert np.all(output.asnumpy() == x.flatten())
 
 
 def test_net_int64():
@@ -84,7 +84,7 @@ def test_net_int64():
     net = Net()
     output = net(Tensor(x))
     print(output.asnumpy())
-    assert (np.all(output.asnumpy() == x.flatten()))
+    assert np.all(output.asnumpy() == x.flatten())
 
 
 def test_net_uint64():
@@ -92,7 +92,7 @@ def test_net_uint64():
     net = Net()
     output = net(Tensor(x))
     print(output.asnumpy())
-    assert (np.all(output.asnumpy() == x.flatten()))
+    assert np.all(output.asnumpy() == x.flatten())
 
 
 def test_net_float16():
@@ -100,7 +100,7 @@ def test_net_float16():
     net = Net()
     output = net(Tensor(x))
     print(output.asnumpy())
-    assert (np.all(output.asnumpy() == x.flatten()))
+    assert np.all(output.asnumpy() == x.flatten())
 
 
 def test_net_float32():
@@ -108,4 +108,4 @@ def test_net_float32():
     net = Net()
     output = net(Tensor(x))
     print(output.asnumpy())
-    assert (np.all(output.asnumpy() == x.flatten()))
+    assert np.all(output.asnumpy() == x.flatten())
diff --git a/tests/st/ops/ascend/test_aicpu_ops/test_is_finite.py b/tests/st/ops/ascend/test_aicpu_ops/test_is_finite.py
index 2dcff2013cc..f07746705bd 100644
--- a/tests/st/ops/ascend/test_aicpu_ops/test_is_finite.py
+++ b/tests/st/ops/ascend/test_aicpu_ops/test_is_finite.py
@@ -17,7 +17,6 @@ import numpy as np
 import mindspore.context as context
 import mindspore.nn as nn
 from mindspore import Tensor
-from mindspore.common.api import ms_function
 from mindspore.ops import operations as P
 
 context.set_context(mode=context.PYNATIVE_MODE, device_target="Ascend")
@@ -37,7 +36,7 @@ def test_net_bool():
     net = Net()
     output = net(Tensor(x))
     print(output.asnumpy())
-    assert (np.all(output.asnumpy() == np.isfinite(x)))
+    assert np.all(output.asnumpy() == np.isfinite(x))
 
 
 def test_net_int8():
@@ -45,7 +44,7 @@ def test_net_int8():
     net = Net()
     output = net(Tensor(x))
     print(output.asnumpy())
-    assert (np.all(output.asnumpy() == np.isfinite(x)))
+    assert np.all(output.asnumpy() == np.isfinite(x))
 
 
 def test_net_uint8():
@@ -53,7 +52,7 @@ def test_net_uint8():
     net = Net()
     output = net(Tensor(x))
     print(output.asnumpy())
-    assert (np.all(output.asnumpy() == np.isfinite(x)))
+    assert np.all(output.asnumpy() == np.isfinite(x))
 
 
 def test_net_int16():
@@ -61,7 +60,7 @@ def test_net_int16():
     net = Net()
     output = net(Tensor(x))
     print(output.asnumpy())
-    assert (np.all(output.asnumpy() == np.isfinite(x)))
+    assert np.all(output.asnumpy() == np.isfinite(x))
 
 
 def test_net_uint16():
@@ -69,7 +68,7 @@ def test_net_uint16():
     net = Net()
     output = net(Tensor(x))
     print(output.asnumpy())
-    assert (np.all(output.asnumpy() == np.isfinite(x)))
+    assert np.all(output.asnumpy() == np.isfinite(x))
 
 
 def test_net_int32():
@@ -77,7 +76,7 @@ def test_net_int32():
     net = Net()
     output = net(Tensor(x))
     print(output.asnumpy())
-    assert (np.all(output.asnumpy() == np.isfinite(x)))
+    assert np.all(output.asnumpy() == np.isfinite(x))
 
 
 def test_net_uint32():
@@ -85,7 +84,7 @@ def test_net_uint32():
     net = Net()
     output = net(Tensor(x))
     print(output.asnumpy())
-    assert (np.all(output.asnumpy() == np.isfinite(x)))
+    assert np.all(output.asnumpy() == np.isfinite(x))
 
 
 def test_net_int64():
@@ -93,7 +92,7 @@ def test_net_int64():
     net = Net()
     output = net(Tensor(x))
     print(output.asnumpy())
-    assert (np.all(output.asnumpy() == np.isfinite(x)))
+    assert np.all(output.asnumpy() == np.isfinite(x))
 
 
 def test_net_uint64():
@@ -101,7 +100,7 @@ def test_net_uint64():
     net = Net()
     output = net(Tensor(x))
     print(output.asnumpy())
-    assert (np.all(output.asnumpy() == np.isfinite(x)))
+    assert np.all(output.asnumpy() == np.isfinite(x))
 
 
 def test_net_float16():
@@ -109,7 +108,7 @@ def test_net_float16():
     net = Net()
     output = net(Tensor(x))
     print(output.asnumpy())
-    assert (np.all(output.asnumpy() == np.isfinite(x)))
+    assert np.all(output.asnumpy() == np.isfinite(x))
 
 
 def test_net_float32():
@@ -117,7 +116,7 @@ def test_net_float32():
     net = Net()
     output = net(Tensor(x))
     print(output.asnumpy())
-    assert (np.all(output.asnumpy() == np.isfinite(x)))
+    assert np.all(output.asnumpy() == np.isfinite(x))
 
 
 def test_net_float64():
@@ -125,4 +124,4 @@ def test_net_float64():
     net = Net()
     output = net(Tensor(x))
     print(output.asnumpy())
-    assert (np.all(output.asnumpy() == np.isfinite(x)))
+    assert np.all(output.asnumpy() == np.isfinite(x))
diff --git a/tests/st/ops/ascend/test_aicpu_ops/test_reshape.py b/tests/st/ops/ascend/test_aicpu_ops/test_reshape.py
index 0e62404f9dc..313c4ee2709 100644
--- a/tests/st/ops/ascend/test_aicpu_ops/test_reshape.py
+++ b/tests/st/ops/ascend/test_aicpu_ops/test_reshape.py
@@ -17,7 +17,6 @@ import numpy as np
 import mindspore.context as context
 import mindspore.nn as nn
 from mindspore import Tensor
-from mindspore.common.api import ms_function
 from mindspore.ops import operations as P
 
 context.set_context(mode=context.PYNATIVE_MODE, device_target="Ascend")
@@ -37,7 +36,7 @@ def test_net_bool():
     net = Net()
     output = net(Tensor(x))
     print(output.asnumpy())
-    assert (np.all(output.asnumpy() == np.reshape(x, (4, 4))))
+    assert np.all(output.asnumpy() == np.reshape(x, (4, 4)))
 
 
 def test_net_int8():
@@ -45,7 +44,7 @@ def test_net_int8():
     net = Net()
     output = net(Tensor(x))
     print(output.asnumpy())
-    assert (np.all(output.asnumpy() == np.reshape(x, (4, 4))))
+    assert np.all(output.asnumpy() == np.reshape(x, (4, 4)))
 
 
 def test_net_uint8():
@@ -53,7 +52,7 @@ def test_net_uint8():
     net = Net()
     output = net(Tensor(x))
     print(output.asnumpy())
-    assert (np.all(output.asnumpy() == np.reshape(x, (4, 4))))
+    assert np.all(output.asnumpy() == np.reshape(x, (4, 4)))
 
 
 def test_net_int16():
@@ -61,7 +60,7 @@ def test_net_int16():
     net = Net()
     output = net(Tensor(x))
     print(output.asnumpy())
-    assert (np.all(output.asnumpy() == np.reshape(x, (4, 4))))
+    assert np.all(output.asnumpy() == np.reshape(x, (4, 4)))
 
 
 def test_net_uint16():
@@ -69,7 +68,7 @@ def test_net_uint16():
     net = Net()
     output = net(Tensor(x))
     print(output.asnumpy())
-    assert (np.all(output.asnumpy() == np.reshape(x, (4, 4))))
+    assert np.all(output.asnumpy() == np.reshape(x, (4, 4)))
 
 
 def test_net_int32():
@@ -77,7 +76,7 @@ def test_net_int32():
     net = Net()
     output = net(Tensor(x))
     print(output.asnumpy())
-    assert (np.all(output.asnumpy() == np.reshape(x, (4, 4))))
+    assert np.all(output.asnumpy() == np.reshape(x, (4, 4)))
 
 
 def test_net_uint32():
@@ -85,7 +84,7 @@ def test_net_uint32():
     net = Net()
     output = net(Tensor(x))
     print(output.asnumpy())
-    assert (np.all(output.asnumpy() == np.reshape(x, (4, 4))))
+    assert np.all(output.asnumpy() == np.reshape(x, (4, 4)))
 
 
 def test_net_int64():
@@ -93,7 +92,7 @@ def test_net_int64():
     net = Net()
     output = net(Tensor(x))
     print(output.asnumpy())
-    assert (np.all(output.asnumpy() == np.reshape(x, (4, 4))))
+    assert np.all(output.asnumpy() == np.reshape(x, (4, 4)))
 
 
 def test_net_uint64():
@@ -101,7 +100,7 @@ def test_net_uint64():
     net = Net()
     output = net(Tensor(x))
     print(output.asnumpy())
-    assert (np.all(output.asnumpy() == np.reshape(x, (4, 4))))
+    assert np.all(output.asnumpy() == np.reshape(x, (4, 4)))
 
 
 def test_net_float16():
@@ -109,7 +108,7 @@ def test_net_float16():
     net = Net()
     output = net(Tensor(x))
     print(output.asnumpy())
-    assert (np.all(output.asnumpy() == np.reshape(x, (4, 4))))
+    assert np.all(output.asnumpy() == np.reshape(x, (4, 4)))
 
 
 def test_net_float32():
@@ -117,7 +116,7 @@ def test_net_float32():
     net = Net()
     output = net(Tensor(x))
     print(output.asnumpy())
-    assert (np.all(output.asnumpy() == np.reshape(x, (4, 4))))
+    assert np.all(output.asnumpy() == np.reshape(x, (4, 4)))
 
 
 def test_net_float64():
@@ -125,4 +124,4 @@ def test_net_float64():
     net = Net()
     output = net(Tensor(x))
     print(output.asnumpy())
-    assert (np.all(output.asnumpy() == np.reshape(x, (4, 4))))
+    assert np.all(output.asnumpy() == np.reshape(x, (4, 4)))
diff --git a/tests/st/ops/ascend/test_aicpu_ops/test_squeeze.py b/tests/st/ops/ascend/test_aicpu_ops/test_squeeze.py
index 9af7275f86d..96c16cd3d2a 100644
--- a/tests/st/ops/ascend/test_aicpu_ops/test_squeeze.py
+++ b/tests/st/ops/ascend/test_aicpu_ops/test_squeeze.py
@@ -36,7 +36,7 @@ def test_net_bool():
     net = Net()
     output = net(Tensor(x))
     print(output.asnumpy())
-    assert (np.all(output.asnumpy() == x.squeeze()))
+    assert np.all(output.asnumpy() == x.squeeze())
 
 
 def test_net_int8():
@@ -44,7 +44,7 @@ def test_net_int8():
     net = Net()
     output = net(Tensor(x))
     print(output.asnumpy())
-    assert (np.all(output.asnumpy() == x.squeeze()))
+    assert np.all(output.asnumpy() == x.squeeze())
 
 
 def test_net_uint8():
@@ -52,7 +52,7 @@ def test_net_uint8():
     net = Net()
     output = net(Tensor(x))
     print(output.asnumpy())
-    assert (np.all(output.asnumpy() == x.squeeze()))
+    assert np.all(output.asnumpy() == x.squeeze())
 
 
 def test_net_int16():
@@ -60,7 +60,7 @@ def test_net_int16():
     net = Net()
     output = net(Tensor(x))
     print(output.asnumpy())
-    assert (np.all(output.asnumpy() == x.squeeze()))
+    assert np.all(output.asnumpy() == x.squeeze())
 
 
 def test_net_uint16():
@@ -68,7 +68,7 @@ def test_net_uint16():
     net = Net()
     output = net(Tensor(x))
     print(output.asnumpy())
-    assert (np.all(output.asnumpy() == x.squeeze()))
+    assert np.all(output.asnumpy() == x.squeeze())
 
 
 def test_net_int32():
@@ -76,7 +76,7 @@ def test_net_int32():
     net = Net()
     output = net(Tensor(x))
     print(output.asnumpy())
-    assert (np.all(output.asnumpy() == x.squeeze()))
+    assert np.all(output.asnumpy() == x.squeeze())
 
 
 def test_net_uint32():
@@ -84,7 +84,7 @@ def test_net_uint32():
     net = Net()
     output = net(Tensor(x))
     print(output.asnumpy())
-    assert (np.all(output.asnumpy() == x.squeeze()))
+    assert np.all(output.asnumpy() == x.squeeze())
 
 
 def test_net_int64():
@@ -92,7 +92,7 @@ def test_net_int64():
     net = Net()
     output = net(Tensor(x))
     print(output.asnumpy())
-    assert (np.all(output.asnumpy() == x.squeeze()))
+    assert np.all(output.asnumpy() == x.squeeze())
 
 
 def test_net_uint64():
@@ -100,7 +100,7 @@ def test_net_uint64():
     net = Net()
     output = net(Tensor(x))
     print(output.asnumpy())
-    assert (np.all(output.asnumpy() == x.squeeze()))
+    assert np.all(output.asnumpy() == x.squeeze())
 
 
 def test_net_float16():
@@ -108,7 +108,7 @@ def test_net_float16():
     net = Net()
     output = net(Tensor(x))
     print(output.asnumpy())
-    assert (np.all(output.asnumpy() == x.squeeze()))
+    assert np.all(output.asnumpy() == x.squeeze())
 
 
 def test_net_float32():
@@ -116,7 +116,7 @@ def test_net_float32():
     net = Net()
     output = net(Tensor(x))
     print(output.asnumpy())
-    assert (np.all(output.asnumpy() == x.squeeze()))
+    assert np.all(output.asnumpy() == x.squeeze())
 
 
 def test_net_float64():
@@ -124,4 +124,4 @@ def test_net_float64():
     net = Net()
     output = net(Tensor(x))
     print(output.asnumpy())
-    assert (np.all(output.asnumpy() == x.squeeze()))
+    assert np.all(output.asnumpy() == x.squeeze())
diff --git a/tests/st/ops/ascend/test_apply_momentum.py b/tests/st/ops/ascend/test_apply_momentum.py
index 603dc23cfea..e85f2c7bb74 100644
--- a/tests/st/ops/ascend/test_apply_momentum.py
+++ b/tests/st/ops/ascend/test_apply_momentum.py
@@ -12,12 +12,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 # ============================================================================
-import numpy as np
 
 import mindspore.context as context
 import mindspore.nn as nn
-from mindspore import Tensor
-from mindspore.common.api import ms_function
 from mindspore.common.initializer import initializer
 from mindspore.common.parameter import Parameter
 from mindspore.ops import operations as P
@@ -34,11 +31,11 @@ class Net(nn.Cell):
         self.accumulation = Parameter(initializer(
             'normal', [2, 3, 3, 4]), name='accumulation')
         self.learning_rate = Parameter(initializer(
-            'normal', [1, ]), name='learning_rate')
+            'normal', [1,]), name='learning_rate')
         self.gradient = Parameter(initializer(
             'normal', [2, 3, 3, 4]), name='gradient')
         self.momentum = Parameter(initializer(
-            'normal', [1, ]), name='momentum')
+            'normal', [1,]), name='momentum')
 
     def construct(self):
         return self.apply_momentum(self.variable, self.accumulation, self.learning_rate, self.gradient, self.momentum)
diff --git a/tests/st/ops/ascend/test_biasAddGrad.py b/tests/st/ops/ascend/test_biasAddGrad.py
index 90282e22071..5d1e9668648 100644
--- a/tests/st/ops/ascend/test_biasAddGrad.py
+++ b/tests/st/ops/ascend/test_biasAddGrad.py
@@ -18,9 +18,6 @@ import mindspore.context as context
 import mindspore.nn as nn
 from mindspore import Tensor
 from mindspore.common.api import ms_function
-from mindspore.common.initializer import initializer
-from mindspore.common.parameter import Parameter
-from mindspore.ops import operations as P
 from mindspore.ops.operations import _grad_ops as G
 
 context.set_context(device_target="Ascend")
diff --git a/tests/st/ops/ascend/test_bias_add_grad.py b/tests/st/ops/ascend/test_bias_add_grad.py
index 2b95b0a2d28..ba5ef663ff8 100644
--- a/tests/st/ops/ascend/test_bias_add_grad.py
+++ b/tests/st/ops/ascend/test_bias_add_grad.py
@@ -16,11 +16,7 @@ import numpy as np
 
 import mindspore.context as context
 import mindspore.nn as nn
-from mindspore import Tensor
 from mindspore.common.api import ms_function
-from mindspore.common.initializer import initializer
-from mindspore.common.parameter import Parameter
-from mindspore.ops import operations as P
 from mindspore.ops.operations import _grad_ops as G
 
 context.set_context(device_target="Ascend")
diff --git a/tests/st/ops/ascend/test_conv2dGradFilter.py b/tests/st/ops/ascend/test_conv2dGradFilter.py
index 293cc0e65e0..96c878bd467 100644
--- a/tests/st/ops/ascend/test_conv2dGradFilter.py
+++ b/tests/st/ops/ascend/test_conv2dGradFilter.py
@@ -18,7 +18,6 @@ import mindspore.context as context
 import mindspore.nn as nn
 from mindspore import Tensor
 from mindspore.common.api import ms_function
-from mindspore.common.initializer import initializer
 from mindspore.common.parameter import Parameter
 from mindspore.ops import operations as P
 from mindspore.ops.operations import _grad_ops as G
diff --git a/tests/st/ops/ascend/test_conv_grad.py b/tests/st/ops/ascend/test_conv_grad.py
index efc9cd9dea8..e24f218087d 100644
--- a/tests/st/ops/ascend/test_conv_grad.py
+++ b/tests/st/ops/ascend/test_conv_grad.py
@@ -33,8 +33,8 @@ class Grad(nn.Cell):
         self.network = network
 
     @ms_function
-    def construct(self, input, output_grad):
-        return self.grad(self.network)(input, output_grad)
+    def construct(self, input_, output_grad):
+        return self.grad(self.network)(input_, output_grad)
 
 
 class Net(nn.Cell):
diff --git a/tests/st/ops/ascend/test_dense.py b/tests/st/ops/ascend/test_dense.py
index 48623b0df01..c4916d53cd9 100644
--- a/tests/st/ops/ascend/test_dense.py
+++ b/tests/st/ops/ascend/test_dense.py
@@ -18,9 +18,6 @@ import mindspore.context as context
 import mindspore.nn as nn
 from mindspore import Tensor
 from mindspore.common.api import ms_function
-from mindspore.common.initializer import initializer
-from mindspore.common.parameter import Parameter
-from mindspore.ops import operations as P
 
 context.set_context(device_target="Ascend")
 
diff --git a/tests/st/ops/ascend/test_dense_grad.py b/tests/st/ops/ascend/test_dense_grad.py
index d5f88c1c21f..7a529144ee4 100644
--- a/tests/st/ops/ascend/test_dense_grad.py
+++ b/tests/st/ops/ascend/test_dense_grad.py
@@ -18,9 +18,6 @@ import mindspore.context as context
 import mindspore.nn as nn
 from mindspore import Tensor
 from mindspore.common.api import ms_function
-from mindspore.common.initializer import initializer
-from mindspore.common.parameter import Parameter
-from mindspore.ops import operations as P
 from mindspore.ops.composite import GradOperation
 
 context.set_context(device_target="Ascend")
@@ -33,8 +30,8 @@ class Grad(nn.Cell):
         self.network = network
 
     @ms_function
-    def construct(self, input, output_grad):
-        return self.grad(self.network)(input, output_grad)
+    def construct(self, input_, output_grad):
+        return self.grad(self.network)(input_, output_grad)
 
 
 class Net(nn.Cell):
diff --git a/tests/st/ops/ascend/test_full_connection.py b/tests/st/ops/ascend/test_full_connection.py
index ca8d62eacb1..51554ac2fea 100644
--- a/tests/st/ops/ascend/test_full_connection.py
+++ b/tests/st/ops/ascend/test_full_connection.py
@@ -12,11 +12,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 # ============================================================================
-import numpy as np
 
 import mindspore.context as context
 import mindspore.nn as nn
-from mindspore import Tensor
 from mindspore.common.api import ms_function
 from mindspore.ops import operations as P
 
diff --git a/tests/st/ops/ascend/test_fused_batchnorm.py b/tests/st/ops/ascend/test_fused_batchnorm.py
index bf0b7ffd4fa..59e2df67deb 100644
--- a/tests/st/ops/ascend/test_fused_batchnorm.py
+++ b/tests/st/ops/ascend/test_fused_batchnorm.py
@@ -17,7 +17,6 @@ import numpy as np
 import mindspore.context as context
 import mindspore.nn as nn
 from mindspore import Tensor
-from mindspore.common.api import ms_function
 from mindspore.common.initializer import initializer
 from mindspore.common.parameter import Parameter
 from mindspore.ops import operations as P
diff --git a/tests/st/ops/ascend/test_fused_batchnorm_grad.py b/tests/st/ops/ascend/test_fused_batchnorm_grad.py
index 47adc2d0659..a8d4190e097 100644
--- a/tests/st/ops/ascend/test_fused_batchnorm_grad.py
+++ b/tests/st/ops/ascend/test_fused_batchnorm_grad.py
@@ -34,8 +34,8 @@ class Grad(nn.Cell):
         self.network = network
 
     @ms_function
-    def construct(self, input, output_grad):
-        return self.grad(self.network)(input, output_grad)
+    def construct(self, input_, output_grad):
+        return self.grad(self.network)(input_, output_grad)
 
 
 class Net(nn.Cell):
diff --git a/tests/st/ops/ascend/test_image_gradients.py b/tests/st/ops/ascend/test_image_gradients.py
index 8b9eb2dceac..eb647e34943 100644
--- a/tests/st/ops/ascend/test_image_gradients.py
+++ b/tests/st/ops/ascend/test_image_gradients.py
@@ -39,8 +39,8 @@ def test_image_gradients():
     expected_dx = np.array([[[[1, 0], [1, 0]]]]).astype(np.int32)
     net = Net()
     dy, dx = net(image)
-    assert np.any(dx.asnumpy() - expected_dx) == False
-    assert np.any(dy.asnumpy() - expected_dy) == False
+    assert not np.any(dx.asnumpy() - expected_dx)
+    assert not np.any(dy.asnumpy() - expected_dy)
 
 
 def test_image_gradients_multi_channel_depth():
@@ -61,5 +61,5 @@ def test_image_gradients_multi_channel_depth():
     net = Net()
     dy, dx = net(image)
 
-    assert np.any(dx.asnumpy() - expected_dx.asnumpy()) == False
-    assert np.any(dy.asnumpy() - expected_dy.asnumpy()) == False
+    assert not np.any(dx.asnumpy() - expected_dx.asnumpy())
+    assert not np.any(dy.asnumpy() - expected_dy.asnumpy())
diff --git a/tests/st/ops/ascend/test_matmul.py b/tests/st/ops/ascend/test_matmul.py
index d0fecfed23c..3981e59f74a 100644
--- a/tests/st/ops/ascend/test_matmul.py
+++ b/tests/st/ops/ascend/test_matmul.py
@@ -18,8 +18,6 @@ import mindspore.context as context
 import mindspore.nn as nn
 from mindspore import Tensor
 from mindspore.common.api import ms_function
-from mindspore.common.initializer import initializer
-from mindspore.common.parameter import Parameter
 from mindspore.ops import operations as P
 
 context.set_context(device_target="Ascend")
diff --git a/tests/st/ops/ascend/test_maxpool_grad.py b/tests/st/ops/ascend/test_maxpool_grad.py
index 810d544bb4a..9af45111203 100644
--- a/tests/st/ops/ascend/test_maxpool_grad.py
+++ b/tests/st/ops/ascend/test_maxpool_grad.py
@@ -31,8 +31,8 @@ class Grad(nn.Cell):
         self.network = network
 
     @ms_function
-    def construct(self, input, output_grad):
-        return self.grad(self.network)(input, output_grad)
+    def construct(self, input_, output_grad):
+        return self.grad(self.network)(input_, output_grad)
 
 
 class Net(nn.Cell):
diff --git a/tests/st/ops/ascend/test_maxpool_with_argmax.py b/tests/st/ops/ascend/test_maxpool_with_argmax.py
index abd1c4005f8..efb9a16234b 100644
--- a/tests/st/ops/ascend/test_maxpool_with_argmax.py
+++ b/tests/st/ops/ascend/test_maxpool_with_argmax.py
@@ -16,7 +16,6 @@ import numpy as np
 
 import mindspore.context as context
 import mindspore.nn as nn
-from mindspore import Tensor
 from mindspore.common.api import ms_function
 from mindspore.common.initializer import initializer
 from mindspore.common.parameter import Parameter
@@ -43,7 +42,6 @@ class Net(nn.Cell):
 
 
 def test_net():
-    x = np.random.randn(1, 64, 112, 112).astype(np.float32)
     maxpool = Net()
     output = maxpool()
     print("***********output output*********")
diff --git a/tests/st/ops/ascend/test_maxpool_with_argmax_grad.py b/tests/st/ops/ascend/test_maxpool_with_argmax_grad.py
index 0d21ee82054..8d0d5155803 100644
--- a/tests/st/ops/ascend/test_maxpool_with_argmax_grad.py
+++ b/tests/st/ops/ascend/test_maxpool_with_argmax_grad.py
@@ -18,8 +18,6 @@ import mindspore.context as context
 import mindspore.nn as nn
 from mindspore import Tensor
 from mindspore.common.api import ms_function
-from mindspore.common.initializer import initializer
-from mindspore.common.parameter import Parameter
 from mindspore.ops import operations as P
 from mindspore.ops.composite import GradOperation
 
@@ -33,8 +31,8 @@ class Grad(nn.Cell):
         self.network = network
 
     @ms_function
-    def construct(self, input, output_grad):
-        return self.grad(self.network)(input, output_grad)
+    def construct(self, input_, output_grad):
+        return self.grad(self.network)(input_, output_grad)
 
 
 class Net(nn.Cell):
diff --git a/tests/st/ops/ascend/test_relu.py b/tests/st/ops/ascend/test_relu.py
index 0da6347fa3b..c22f22d0661 100644
--- a/tests/st/ops/ascend/test_relu.py
+++ b/tests/st/ops/ascend/test_relu.py
@@ -18,8 +18,6 @@ import mindspore.context as context
 import mindspore.nn as nn
 from mindspore import Tensor
 from mindspore.common.api import ms_function
-from mindspore.common.initializer import initializer
-from mindspore.common.parameter import Parameter
 from mindspore.ops import operations as P
 
 context.set_context(device_target="Ascend")
diff --git a/tests/st/ops/ascend/test_relu_grad.py b/tests/st/ops/ascend/test_relu_grad.py
index 72b70bddb89..4ebc17d507f 100644
--- a/tests/st/ops/ascend/test_relu_grad.py
+++ b/tests/st/ops/ascend/test_relu_grad.py
@@ -18,8 +18,6 @@ import mindspore.context as context
 import mindspore.nn as nn
 from mindspore import Tensor
 from mindspore.common.api import ms_function
-from mindspore.common.initializer import initializer
-from mindspore.common.parameter import Parameter
 from mindspore.ops import operations as P
 from mindspore.ops.composite import GradOperation
 
@@ -33,8 +31,8 @@ class Grad(nn.Cell):
         self.network = network
 
     @ms_function
-    def construct(self, input, output_grad):
-        return self.grad(self.network)(input, output_grad)
+    def construct(self, input_, output_grad):
+        return self.grad(self.network)(input_, output_grad)
 
 
 class Net(nn.Cell):
diff --git a/tests/st/ops/ascend/test_simplemean.py b/tests/st/ops/ascend/test_simplemean.py
index c61ed6300e1..9af5c6c3320 100644
--- a/tests/st/ops/ascend/test_simplemean.py
+++ b/tests/st/ops/ascend/test_simplemean.py
@@ -18,8 +18,6 @@ import mindspore.context as context
 import mindspore.nn as nn
 from mindspore import Tensor
 from mindspore.common.api import ms_function
-from mindspore.common.initializer import initializer
-from mindspore.common.parameter import Parameter
 from mindspore.ops import operations as P
 
 context.set_context(device_target="Ascend")
diff --git a/tests/st/ops/ascend/test_simplemean_grad.py b/tests/st/ops/ascend/test_simplemean_grad.py
index c7116f47299..2704c1434fb 100644
--- a/tests/st/ops/ascend/test_simplemean_grad.py
+++ b/tests/st/ops/ascend/test_simplemean_grad.py
@@ -18,8 +18,6 @@ import mindspore.context as context
 import mindspore.nn as nn
 from mindspore import Tensor
 from mindspore.common.api import ms_function
-from mindspore.common.initializer import initializer
-from mindspore.common.parameter import Parameter
 from mindspore.ops import operations as P
 from mindspore.ops.composite import GradOperation
 
@@ -33,8 +31,8 @@ class Grad(nn.Cell):
         self.network = network
 
     @ms_function
-    def construct(self, input, output_grad):
-        return self.grad(self.network)(input, output_grad)
+    def construct(self, input_, output_grad):
+        return self.grad(self.network)(input_, output_grad)
 
 
 class Net(nn.Cell):
diff --git a/tests/st/ops/ascend/test_sparseSoftmaxCrossEntropyWithLogits.py b/tests/st/ops/ascend/test_sparseSoftmaxCrossEntropyWithLogits.py
index ced2c5492ef..3f47e03fbd4 100644
--- a/tests/st/ops/ascend/test_sparseSoftmaxCrossEntropyWithLogits.py
+++ b/tests/st/ops/ascend/test_sparseSoftmaxCrossEntropyWithLogits.py
@@ -59,7 +59,7 @@ def test_net():
     '''Compare Numpy with MS type is float32'''
     labels_shape = (32,)
     logits_shape = [32, 1001]
-    labels, logits, loss_np, bp_np = np_sparse_softmax_cross_entropy_with_logits(labels_shape, logits_shape, np.float32)
+    labels, logits, loss_np, _ = np_sparse_softmax_cross_entropy_with_logits(labels_shape, logits_shape, np.float32)
     expect = loss_np
     SparseSoftmaxCrossEntropyWithLogits = Net()
     loss_me = SparseSoftmaxCrossEntropyWithLogits(Tensor(logits), Tensor(labels))
diff --git a/tests/st/ops/ascend/test_tbe_ops/test_AssignAdd.py b/tests/st/ops/ascend/test_tbe_ops/test_AssignAdd.py
index a6f09b8bd62..65b682de2ca 100644
--- a/tests/st/ops/ascend/test_tbe_ops/test_AssignAdd.py
+++ b/tests/st/ops/ascend/test_tbe_ops/test_AssignAdd.py
@@ -17,7 +17,6 @@ import numpy as np
 import mindspore.context as context
 import mindspore.nn as nn
 from mindspore import Tensor
-from mindspore.common.api import ms_function
 from mindspore.common.initializer import initializer
 from mindspore.common.parameter import Parameter
 from mindspore.ops import operations as P
diff --git a/tests/st/ops/ascend/test_tbe_ops/test_AssignSub.py b/tests/st/ops/ascend/test_tbe_ops/test_AssignSub.py
index 6f01e9deea4..7d3a403d656 100644
--- a/tests/st/ops/ascend/test_tbe_ops/test_AssignSub.py
+++ b/tests/st/ops/ascend/test_tbe_ops/test_AssignSub.py
@@ -17,7 +17,6 @@ import numpy as np
 import mindspore.context as context
 import mindspore.nn as nn
 from mindspore import Tensor
-from mindspore.common.api import ms_function
 from mindspore.common.initializer import initializer
 from mindspore.common.parameter import Parameter
 from mindspore.ops import operations as P
diff --git a/tests/st/ops/ascend/test_tbe_ops/test_ReduceMean.py b/tests/st/ops/ascend/test_tbe_ops/test_ReduceMean.py
index f6cfc6863e4..9dc8b15fc92 100644
--- a/tests/st/ops/ascend/test_tbe_ops/test_ReduceMean.py
+++ b/tests/st/ops/ascend/test_tbe_ops/test_ReduceMean.py
@@ -18,8 +18,6 @@ import mindspore.context as context
 import mindspore.nn as nn
 from mindspore import Tensor
 from mindspore.common.api import ms_function
-from mindspore.common.initializer import initializer
-from mindspore.common.parameter import Parameter
 from mindspore.ops import operations as P
 
 context.set_context(device_target="Ascend")
diff --git a/tests/st/ops/ascend/test_tbe_ops/test_add.py b/tests/st/ops/ascend/test_tbe_ops/test_add.py
index 6ca1aaf1e3e..af33e9c003a 100644
--- a/tests/st/ops/ascend/test_tbe_ops/test_add.py
+++ b/tests/st/ops/ascend/test_tbe_ops/test_add.py
@@ -17,9 +17,6 @@ import numpy as np
 import mindspore.context as context
 import mindspore.nn as nn
 from mindspore import Tensor
-from mindspore.common.api import ms_function
-from mindspore.common.initializer import initializer
-from mindspore.common.parameter import Parameter
 from mindspore.ops import operations as P
 
 
diff --git a/tests/st/ops/ascend/test_tbe_ops/test_addn.py b/tests/st/ops/ascend/test_tbe_ops/test_addn.py
index 793fff1f009..9b2de51afaf 100644
--- a/tests/st/ops/ascend/test_tbe_ops/test_addn.py
+++ b/tests/st/ops/ascend/test_tbe_ops/test_addn.py
@@ -17,9 +17,6 @@ import numpy as np
 import mindspore.context as context
 import mindspore.nn as nn
 from mindspore import Tensor
-from mindspore.common.api import ms_function
-from mindspore.common.initializer import initializer
-from mindspore.common.parameter import Parameter
 from mindspore.ops import operations as P
 
 context.set_context(mode=context.GRAPH_MODE, device_target="Ascend")
diff --git a/tests/st/ops/ascend/test_tbe_ops/test_apply_adam.py b/tests/st/ops/ascend/test_tbe_ops/test_apply_adam.py
index 8d256384309..e8c61d70a9d 100644
--- a/tests/st/ops/ascend/test_tbe_ops/test_apply_adam.py
+++ b/tests/st/ops/ascend/test_tbe_ops/test_apply_adam.py
@@ -34,7 +34,7 @@ class Adam:
         self.epsilon = epsilon
 
     def train_mindspore_impl(self):
-        input = Tensor(np.random.randn(self.batch_num, self.input_channels).astype(np.float32))
+        input_ = Tensor(np.random.randn(self.batch_num, self.input_channels).astype(np.float32))
         weight_np = Tensor(np.random.randn(self.output_channels, self.input_channels).astype(np.float32))
         bias = Tensor(np.random.randn(self.output_channels).astype(np.float32))
 
@@ -60,9 +60,9 @@ class Adam:
         train_network.set_train()
 
         print('MS Initialized!')
-        for i in range(self.epoch):
-            train_network(input, label)
-        output = ms_dense(input)
+        for _ in range(self.epoch):
+            train_network(input_, label)
+        output = ms_dense(input_)
         print("===============output=================", output)
         return output.asnumpy()
 
diff --git a/tests/st/ops/ascend/test_tbe_ops/test_apply_momentum.py b/tests/st/ops/ascend/test_tbe_ops/test_apply_momentum.py
index 9e1aa6f0aae..d078b277093 100644
--- a/tests/st/ops/ascend/test_tbe_ops/test_apply_momentum.py
+++ b/tests/st/ops/ascend/test_tbe_ops/test_apply_momentum.py
@@ -12,12 +12,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 # ============================================================================
-import numpy as np
 
 import mindspore.context as context
 import mindspore.nn as nn
-from mindspore import Tensor
-from mindspore.common.api import ms_function
 from mindspore.common.initializer import initializer
 from mindspore.common.parameter import Parameter
 from mindspore.ops import operations as P
@@ -32,11 +29,11 @@ class Net(nn.Cell):
         self.accumulation = Parameter(initializer(
             'normal', [2, 3, 3, 4]), name='accumulation')
         self.learning_rate = Parameter(initializer(
-            'normal', [1, ]), name='learning_rate')
+            'normal', [1,]), name='learning_rate')
         self.gradient = Parameter(initializer(
             'normal', [2, 3, 3, 4]), name='gradient')
         self.momentum = Parameter(initializer(
-            'normal', [1, ]), name='momentum')
+            'normal', [1,]), name='momentum')
 
     def construct(self):
         return self.apply_momentum(self.variable, self.accumulation, self.learning_rate, self.gradient, self.momentum)
diff --git a/tests/st/ops/ascend/test_tbe_ops/test_batchmatmul.py b/tests/st/ops/ascend/test_tbe_ops/test_batchmatmul.py
index ee2af00d3f1..ba85da20ca5 100644
--- a/tests/st/ops/ascend/test_tbe_ops/test_batchmatmul.py
+++ b/tests/st/ops/ascend/test_tbe_ops/test_batchmatmul.py
@@ -13,7 +13,6 @@
 # limitations under the License.
 # ============================================================================
 import numpy as np
-import pytest
 
 from mindspore import context
 from mindspore.common.tensor import Tensor
@@ -38,7 +37,7 @@ def tf_me_batchmatmul(inputa, inputb):
     net = Net()
     net.set_train()
     model = Model(net)
-    out_me = model.predict(Tensor(inputa), Tensor(inputb))
+    model.predict(Tensor(inputa), Tensor(inputb))
 
 
 def test_batchmatmul_normal_shape1():
diff --git a/tests/st/ops/ascend/test_tbe_ops/test_batchnorm.py b/tests/st/ops/ascend/test_tbe_ops/test_batchnorm.py
index 9a185501c4d..44148cafb0a 100644
--- a/tests/st/ops/ascend/test_tbe_ops/test_batchnorm.py
+++ b/tests/st/ops/ascend/test_tbe_ops/test_batchnorm.py
@@ -17,7 +17,6 @@ import numpy as np
 import mindspore.context as context
 import mindspore.nn as nn
 from mindspore import Tensor
-from mindspore.common.api import ms_function
 from mindspore.common.initializer import initializer
 from mindspore.common.parameter import Parameter
 from mindspore.ops import operations as P
diff --git a/tests/st/ops/ascend/test_tbe_ops/test_batchnorm_grad.py b/tests/st/ops/ascend/test_tbe_ops/test_batchnorm_grad.py
index 394670790c8..0340f9e6be0 100644
--- a/tests/st/ops/ascend/test_tbe_ops/test_batchnorm_grad.py
+++ b/tests/st/ops/ascend/test_tbe_ops/test_batchnorm_grad.py
@@ -34,8 +34,8 @@ class Grad(nn.Cell):
         self.network = network
 
     @ms_function
-    def construct(self, input, output_grad):
-        return self.grad(self.network)(input, output_grad)
+    def construct(self, input_, output_grad):
+        return self.grad(self.network)(input_, output_grad)
 
 
 class Net(nn.Cell):
@@ -55,4 +55,4 @@ def test_net():
     x = np.random.randn(1, 64, 112, 112).astype(np.float32)
     sens = np.random.randn(1, 64, 112, 112).astype(np.float32)
     net = Grad(Net())
-    output = net(Tensor(x), Tensor(sens))
+    net(Tensor(x), Tensor(sens))
diff --git a/tests/st/ops/ascend/test_tbe_ops/test_bias_add.py b/tests/st/ops/ascend/test_tbe_ops/test_bias_add.py
index e982140f7fa..bc4dcf7cdc3 100644
--- a/tests/st/ops/ascend/test_tbe_ops/test_bias_add.py
+++ b/tests/st/ops/ascend/test_tbe_ops/test_bias_add.py
@@ -17,7 +17,6 @@ import numpy as np
 import mindspore.context as context
 import mindspore.nn as nn
 from mindspore import Tensor
-from mindspore.common.api import ms_function
 from mindspore.common.initializer import initializer
 from mindspore.common.parameter import Parameter
 from mindspore.ops import operations as P
diff --git a/tests/st/ops/ascend/test_tbe_ops/test_bias_add_grad.py b/tests/st/ops/ascend/test_tbe_ops/test_bias_add_grad.py
index 773ab083715..834302919de 100644
--- a/tests/st/ops/ascend/test_tbe_ops/test_bias_add_grad.py
+++ b/tests/st/ops/ascend/test_tbe_ops/test_bias_add_grad.py
@@ -18,9 +18,6 @@ import mindspore.context as context
 import mindspore.nn as nn
 from mindspore import Tensor
 from mindspore.common.api import ms_function
-from mindspore.common.initializer import initializer
-from mindspore.common.parameter import Parameter
-from mindspore.ops import operations as P
 from mindspore.ops.operations import _grad_ops as G
 
 context.set_context(mode=context.GRAPH_MODE, device_target="Ascend")
diff --git a/tests/st/ops/ascend/test_tbe_ops/test_dropout_do_mask.py b/tests/st/ops/ascend/test_tbe_ops/test_dropout_do_mask.py
index bec6783749f..f00c37e54dd 100644
--- a/tests/st/ops/ascend/test_tbe_ops/test_dropout_do_mask.py
+++ b/tests/st/ops/ascend/test_tbe_ops/test_dropout_do_mask.py
@@ -17,13 +17,10 @@ import numpy as np
 import mindspore.context as context
 import mindspore.nn as nn
 from mindspore import Tensor
-from mindspore.common.api import ms_function
-from mindspore.common.initializer import initializer
-from mindspore.common.parameter import Parameter
+from mindspore import log as logger
 from mindspore.ops import operations as P
 
 context.set_context(mode=context.GRAPH_MODE, device_target="Ascend")
-from mindspore import log as logger
 
 
 class Net(nn.Cell):
diff --git a/tests/st/ops/ascend/test_tbe_ops/test_gelu.py b/tests/st/ops/ascend/test_tbe_ops/test_gelu.py
index aadb48415e9..f44daaac1b5 100644
--- a/tests/st/ops/ascend/test_tbe_ops/test_gelu.py
+++ b/tests/st/ops/ascend/test_tbe_ops/test_gelu.py
@@ -12,32 +12,30 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 # ============================================================================
-import math
 import numpy as np
 import pytest
 
 from mindspore import context
 from mindspore import log as logger
 from mindspore.common.tensor import Tensor
-from mindspore.nn import GELU, Cell
-from mindspore.ops import operations as P
+from mindspore.nn import GELU
 from mindspore.train.model import Model
 
 context.set_context(mode=context.GRAPH_MODE, device_target="Ascend")
 
 
-def gelu_forward_me_impl(input):
+def gelu_forward_me_impl(input_):
     n = GELU()
     n.set_train()
     m = Model(n)
-    out = m.predict(input)
+    out = m.predict(input_)
     return out.asnumpy()
 
 
 def gelu_forward_cmp(input_shape, data_type=np.float32):
     input_np = np.random.randn(*input_shape).astype(data_type)
     input_me = Tensor(input_np)
-    out_me = gelu_forward_me_impl(input_me)
+    gelu_forward_me_impl(input_me)
 
 
 @pytest.mark.skip(reason="scalar")
diff --git a/tests/st/ops/ascend/test_tbe_ops/test_gelu_grad_sens.py b/tests/st/ops/ascend/test_tbe_ops/test_gelu_grad_sens.py
index 68c1b2b53d8..d0c8a97d89f 100755
--- a/tests/st/ops/ascend/test_tbe_ops/test_gelu_grad_sens.py
+++ b/tests/st/ops/ascend/test_tbe_ops/test_gelu_grad_sens.py
@@ -12,11 +12,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 # ============================================================================
-import math
 import numpy as np
-import pytest
 
-import mindspore as ms
 from mindspore import context
 from mindspore import log as logger
 from mindspore.common.tensor import Tensor
@@ -33,15 +30,15 @@ class Grad(Cell):
         self.grad = GradOperation(name="get_all", get_all=True, sens_param=True)
         self.network = network
 
-    def construct(self, input, output_grad):
-        return self.grad(self.network)(input, output_grad)
+    def construct(self, input_, output_grad):
+        return self.grad(self.network)(input_, output_grad)
 
 
-def gelu_backward_me_impl(input, output_grad):
+def gelu_backward_me_impl(input_, output_grad):
     n = GELU()
     grad_with_sense = Grad(n)
     grad_with_sense.set_train()
-    input_grad = grad_with_sense(input, output_grad)
+    input_grad = grad_with_sense(input_, output_grad)
     return input_grad.asnumpy()
 
 
@@ -86,7 +83,7 @@ def gelu_backward_me_large_in_impl(x1, x2, output_grad):
     grad_with_sense = GradLargeIn(n)
     grad_with_sense.set_train()
     input_grad = grad_with_sense(x1, x2, output_grad)
-    return input_grad[0].asnumpy(), input_grad[1].asnumpy(),
+    return input_grad[0].asnumpy(), input_grad[1].asnumpy()
 
 
 def test_grad_gelu_input_10240_1024():
diff --git a/tests/st/ops/ascend/test_tbe_ops/test_layernorm.py b/tests/st/ops/ascend/test_tbe_ops/test_layernorm.py
index f0532cec5bc..6295d7ae533 100644
--- a/tests/st/ops/ascend/test_tbe_ops/test_layernorm.py
+++ b/tests/st/ops/ascend/test_tbe_ops/test_layernorm.py
@@ -30,8 +30,8 @@ class Net(Cell):
         super(Net, self).__init__()
         self.layernorm = LayerNorm(input_shape, begin_norm_axis, begin_params_axis, gamma, beta)
 
-    def construct(self, input):
-        x = self.layernorm(input)
+    def construct(self, input_):
+        x = self.layernorm(input_)
         return x
 
 
diff --git a/tests/st/ops/ascend/test_tbe_ops/test_layernorm_grad.py b/tests/st/ops/ascend/test_tbe_ops/test_layernorm_grad.py
index aeb248b2887..c068cbfe8a5 100644
--- a/tests/st/ops/ascend/test_tbe_ops/test_layernorm_grad.py
+++ b/tests/st/ops/ascend/test_tbe_ops/test_layernorm_grad.py
@@ -30,8 +30,8 @@ class Grad(Cell):
         self.grad = GradOperation(name="get_all", get_all=True, sens_param=True)
         self.network = network
 
-    def construct(self, input, output_grad, ):
-        gout = self.grad(self.network)(input, output_grad)
+    def construct(self, input_, output_grad,):
+        gout = self.grad(self.network)(input_, output_grad)
         return gout
 
 
@@ -40,8 +40,8 @@ class Net(Cell):
         super(Net, self).__init__()
         self.layernorm = LayerNorm(input_shape, begin_norm_axis, begin_params_axis, gamma, beta)
 
-    def construct(self, input):
-        x = self.layernorm(input)
+    def construct(self, input_):
+        x = self.layernorm(input_)
         return x
 
 
diff --git a/tests/st/ops/ascend/test_tbe_ops/test_logical_and.py b/tests/st/ops/ascend/test_tbe_ops/test_logical_and.py
index 429e3eeb425..7c7e5db1f18 100644
--- a/tests/st/ops/ascend/test_tbe_ops/test_logical_and.py
+++ b/tests/st/ops/ascend/test_tbe_ops/test_logical_and.py
@@ -12,7 +12,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 # ============================================================================
-import numpy as np
 
 import mindspore.context as context
 import mindspore.nn as nn
diff --git a/tests/st/ops/ascend/test_tbe_ops/test_logical_not.py b/tests/st/ops/ascend/test_tbe_ops/test_logical_not.py
index 4fb6bc7fdb0..333298a2e2b 100644
--- a/tests/st/ops/ascend/test_tbe_ops/test_logical_not.py
+++ b/tests/st/ops/ascend/test_tbe_ops/test_logical_not.py
@@ -12,7 +12,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 # ============================================================================
-import numpy as np
 
 import mindspore.context as context
 import mindspore.nn as nn
diff --git a/tests/st/ops/ascend/test_tbe_ops/test_logical_or.py b/tests/st/ops/ascend/test_tbe_ops/test_logical_or.py
index 734e0a9485e..5dfb8fd7658 100644
--- a/tests/st/ops/ascend/test_tbe_ops/test_logical_or.py
+++ b/tests/st/ops/ascend/test_tbe_ops/test_logical_or.py
@@ -12,7 +12,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 # ============================================================================
-import numpy as np
 
 import mindspore.context as context
 import mindspore.nn as nn
diff --git a/tests/st/ops/ascend/test_tbe_ops/test_matmul.py b/tests/st/ops/ascend/test_tbe_ops/test_matmul.py
index 9defdbbf72a..65f1c11060c 100644
--- a/tests/st/ops/ascend/test_tbe_ops/test_matmul.py
+++ b/tests/st/ops/ascend/test_tbe_ops/test_matmul.py
@@ -18,8 +18,6 @@ import mindspore.context as context
 import mindspore.nn as nn
 from mindspore import Tensor
 from mindspore.common.api import ms_function
-from mindspore.common.initializer import initializer
-from mindspore.common.parameter import Parameter
 from mindspore.ops import operations as P
 
 
diff --git a/tests/st/ops/ascend/test_tbe_ops/test_matmul_failed.py b/tests/st/ops/ascend/test_tbe_ops/test_matmul_failed.py
index 5f12b91836e..80409ec7126 100644
--- a/tests/st/ops/ascend/test_tbe_ops/test_matmul_failed.py
+++ b/tests/st/ops/ascend/test_tbe_ops/test_matmul_failed.py
@@ -18,8 +18,6 @@ import mindspore.context as context
 import mindspore.nn as nn
 from mindspore import Tensor
 from mindspore.common.api import ms_function
-from mindspore.common.initializer import initializer
-from mindspore.common.parameter import Parameter
 from mindspore.ops import operations as P
 
 context.set_context(device_target="Ascend")
diff --git a/tests/st/ops/ascend/test_tbe_ops/test_maximum.py b/tests/st/ops/ascend/test_tbe_ops/test_maximum.py
index d6f0e8acf89..02b51305b2a 100644
--- a/tests/st/ops/ascend/test_tbe_ops/test_maximum.py
+++ b/tests/st/ops/ascend/test_tbe_ops/test_maximum.py
@@ -39,9 +39,9 @@ def me_max(inputa, inputb, dtype=ms.float32):
     net.set_train()
     model = Model(net)
     print(type(inputa))
-    if isinstance(inputa, np.ndarray) == True:
+    if isinstance(inputa, np.ndarray):
         inputa = Tensor(inputa)
-    if isinstance(inputb, np.ndarray) == True:
+    if isinstance(inputb, np.ndarray):
         inputb = Tensor(inputb)
     out = model.predict(inputa, inputb)
     print(out)
diff --git a/tests/st/ops/ascend/test_tbe_ops/test_maximum_grad.py b/tests/st/ops/ascend/test_tbe_ops/test_maximum_grad.py
index 35252dfabbe..aad47e4aa0f 100644
--- a/tests/st/ops/ascend/test_tbe_ops/test_maximum_grad.py
+++ b/tests/st/ops/ascend/test_tbe_ops/test_maximum_grad.py
@@ -46,12 +46,12 @@ class GradWrap(Cell):
 
 def gen_data(inputA_np, inputB_np, grad=None):
     inputA_me = inputA_np
-    if isinstance(inputA_np, np.ndarray) == True:
+    if isinstance(inputA_np, np.ndarray):
         inputA_me = Tensor(inputA_me)
     inputB_me = inputB_np
-    if isinstance(inputB_np, np.ndarray) == True:
+    if isinstance(inputB_np, np.ndarray):
         inputB_me = Tensor(inputB_np)
-    if grad == None:
+    if grad is None:
         grad = np.random.randn(2).astype(np.float32)
     print("----inputA---")
     print(inputA_np)
diff --git a/tests/st/ops/ascend/test_tbe_ops/test_maxpool_grad.py b/tests/st/ops/ascend/test_tbe_ops/test_maxpool_grad.py
index 2bc1b45730d..7beb22f005e 100644
--- a/tests/st/ops/ascend/test_tbe_ops/test_maxpool_grad.py
+++ b/tests/st/ops/ascend/test_tbe_ops/test_maxpool_grad.py
@@ -31,8 +31,8 @@ class Grad(nn.Cell):
         self.network = network
 
     @ms_function
-    def construct(self, input, output_grad):
-        return self.grad(self.network)(input, output_grad)
+    def construct(self, input_, output_grad):
+        return self.grad(self.network)(input_, output_grad)
 
 
 class Net(nn.Cell):
diff --git a/tests/st/ops/ascend/test_tbe_ops/test_minimum.py b/tests/st/ops/ascend/test_tbe_ops/test_minimum.py
index 3dce61b997e..e9ba1a2b092 100644
--- a/tests/st/ops/ascend/test_tbe_ops/test_minimum.py
+++ b/tests/st/ops/ascend/test_tbe_ops/test_minimum.py
@@ -18,9 +18,6 @@ import mindspore as ms
 import mindspore.context as context
 import mindspore.nn as nn
 from mindspore import Tensor
-from mindspore.common.api import ms_function
-from mindspore.common.initializer import initializer
-from mindspore.common.parameter import Parameter
 from mindspore.ops import operations as P
 from mindspore.train.model import Model
 
@@ -42,9 +39,9 @@ def me_min(inputa, inputb, dtype=ms.float32):
     net.set_train()
     model = Model(net)
     print(type(inputa))
-    if isinstance(inputa, np.ndarray) == True:
+    if isinstance(inputa, np.ndarray):
         inputa = Tensor(inputa)
-    if isinstance(inputb, np.ndarray) == True:
+    if isinstance(inputb, np.ndarray):
         inputb = Tensor(inputb)
     out = model.predict(inputa, inputb)
     print(out)
diff --git a/tests/st/ops/ascend/test_tbe_ops/test_minimum_grad.py b/tests/st/ops/ascend/test_tbe_ops/test_minimum_grad.py
index dbde426728e..aafe4383108 100644
--- a/tests/st/ops/ascend/test_tbe_ops/test_minimum_grad.py
+++ b/tests/st/ops/ascend/test_tbe_ops/test_minimum_grad.py
@@ -15,7 +15,6 @@
 import numpy as np
 
 import mindspore.context as context
-import mindspore.nn as nn
 from mindspore import Tensor
 from mindspore.nn import Cell
 from mindspore.ops import composite as C
@@ -47,11 +46,11 @@ class GradWrap(Cell):
 
 def gen_data(inputA_np, inputB_np, grad=None):
     inputA_me = inputA_np
-    if isinstance(inputA_np, np.ndarray) == True:
+    if isinstance(inputA_np, np.ndarray):
         inputA_me = Tensor(inputA_me)
 
     inputB_me = inputB_np
-    if isinstance(inputB_np, np.ndarray) == True:
+    if isinstance(inputB_np, np.ndarray):
         inputB_me = Tensor(inputB_np)
 
     if grad is None:
diff --git a/tests/st/ops/ascend/test_tbe_ops/test_npu_alloc_float_status.py b/tests/st/ops/ascend/test_tbe_ops/test_npu_alloc_float_status.py
index 42f1c86823a..3f50c5eed97 100644
--- a/tests/st/ops/ascend/test_tbe_ops/test_npu_alloc_float_status.py
+++ b/tests/st/ops/ascend/test_tbe_ops/test_npu_alloc_float_status.py
@@ -12,11 +12,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 # ============================================================================
-import numpy as np
 
 import mindspore.context as context
 import mindspore.nn as nn
-from mindspore import Tensor
 from mindspore.common.api import ms_function
 from mindspore.ops import operations as P
 
diff --git a/tests/st/ops/ascend/test_tbe_ops/test_pow.py b/tests/st/ops/ascend/test_tbe_ops/test_pow.py
index 8acf5284704..370781fa021 100644
--- a/tests/st/ops/ascend/test_tbe_ops/test_pow.py
+++ b/tests/st/ops/ascend/test_tbe_ops/test_pow.py
@@ -16,11 +16,7 @@ import numpy as np
 
 import mindspore as ms
 import mindspore.context as context
-import mindspore.nn as nn
 from mindspore import Tensor
-from mindspore.common.api import ms_function
-from mindspore.common.initializer import initializer
-from mindspore.common.parameter import Parameter
 from mindspore.nn import Cell
 from mindspore.ops import operations as P
 from mindspore.train.model import Model
@@ -33,31 +29,29 @@ class PowMe(Cell):
         super(PowMe, self).__init__()
         self.pow = P.Pow()
 
-    def construct(self, input, exp):
-        return self.pow(input, exp)
+    def construct(self, input_, exp):
+        return self.pow(input_, exp)
 
 
-def pow_forward_me_impl(input, exp):
+def pow_forward_me_impl(input_, exp):
     n = PowMe()
     n.set_train()
     m = Model(n)
-    out = m.predict(input, exp)
+    out = m.predict(input_, exp)
     return out.asnumpy()
 
 
 def pow_forward_cmp(input_shape, exp_shape):
-    if len(input_shape) == 0:
+    if not input_shape:
         input_np = np.absolute(np.random.randn())
     else:
         input_np = np.absolute(np.random.randn(*input_shape).astype(np.float32))
-    input_tf = input_np
     input_me = Tensor(input_np, dtype=ms.float32)
 
-    if len(exp_shape) == 0:
+    if not exp_shape:
         exp_np = np.absolute(np.random.randn())
     else:
         exp_np = np.absolute(np.random.randn(*exp_shape).astype(np.float32))
-    exp_tf = exp_np
     exp_me = Tensor(exp_np, dtype=ms.float32)
 
     out_me = pow_forward_me_impl(input_me, exp_me)
diff --git a/tests/st/ops/ascend/test_tbe_ops/test_relu.py b/tests/st/ops/ascend/test_tbe_ops/test_relu.py
index 9ada58e6420..77e898c08bf 100644
--- a/tests/st/ops/ascend/test_tbe_ops/test_relu.py
+++ b/tests/st/ops/ascend/test_tbe_ops/test_relu.py
@@ -18,8 +18,6 @@ import mindspore.context as context
 import mindspore.nn as nn
 from mindspore import Tensor
 from mindspore.common.api import ms_function
-from mindspore.common.initializer import initializer
-from mindspore.common.parameter import Parameter
 from mindspore.ops import operations as P
 
 context.set_context(device_target="Ascend")
diff --git a/tests/st/ops/ascend/test_tbe_ops/test_relu_grad.py b/tests/st/ops/ascend/test_tbe_ops/test_relu_grad.py
index 94150db0710..b26fe30697d 100644
--- a/tests/st/ops/ascend/test_tbe_ops/test_relu_grad.py
+++ b/tests/st/ops/ascend/test_tbe_ops/test_relu_grad.py
@@ -18,8 +18,6 @@ import mindspore.context as context
 import mindspore.nn as nn
 from mindspore import Tensor
 from mindspore.common.api import ms_function
-from mindspore.common.initializer import initializer
-from mindspore.common.parameter import Parameter
 from mindspore.ops import operations as P
 from mindspore.ops.composite import GradOperation
 
diff --git a/tests/st/ops/ascend/test_tbe_ops/test_relu_v2_grad.py b/tests/st/ops/ascend/test_tbe_ops/test_relu_v2_grad.py
index 351e7f617af..645765792a7 100644
--- a/tests/st/ops/ascend/test_tbe_ops/test_relu_v2_grad.py
+++ b/tests/st/ops/ascend/test_tbe_ops/test_relu_v2_grad.py
@@ -18,8 +18,6 @@ import mindspore.context as context
 import mindspore.nn as nn
 from mindspore import Tensor
 from mindspore.common.api import ms_function
-from mindspore.common.initializer import initializer
-from mindspore.common.parameter import Parameter
 from mindspore.ops import operations as P
 from mindspore.ops.composite import GradOperation
 
@@ -33,8 +31,8 @@ class Grad(nn.Cell):
         self.network = network
 
     @ms_function
-    def construct(self, input):
-        return self.grad(self.network)(input)
+    def construct(self, input_):
+        return self.grad(self.network)(input_)
 
 
 class Net(nn.Cell):
diff --git a/tests/st/ops/ascend/test_tbe_ops/test_scatter_nd.py b/tests/st/ops/ascend/test_tbe_ops/test_scatter_nd.py
index d79cca38469..982d7951fab 100644
--- a/tests/st/ops/ascend/test_tbe_ops/test_scatter_nd.py
+++ b/tests/st/ops/ascend/test_tbe_ops/test_scatter_nd.py
@@ -17,9 +17,6 @@ import numpy as np
 import mindspore.context as context
 import mindspore.nn as nn
 from mindspore import Tensor
-from mindspore.common.api import ms_function
-from mindspore.common.initializer import initializer
-from mindspore.common.parameter import Parameter
 from mindspore.ops import operations as P
 
 context.set_context(mode=context.GRAPH_MODE, device_target="Ascend")
diff --git a/tests/st/ops/ascend/test_tbe_ops/test_select.py b/tests/st/ops/ascend/test_tbe_ops/test_select.py
index 5f149a590f1..56fd8ba0a1a 100644
--- a/tests/st/ops/ascend/test_tbe_ops/test_select.py
+++ b/tests/st/ops/ascend/test_tbe_ops/test_select.py
@@ -16,11 +16,7 @@ import numpy as np
 
 import mindspore as ms
 import mindspore.context as context
-import mindspore.nn as nn
 from mindspore import Tensor
-from mindspore.common.api import ms_function
-from mindspore.common.initializer import initializer
-from mindspore.common.parameter import Parameter
 from mindspore.nn import Cell
 from mindspore.ops import operations as P
 from mindspore.train.model import Model
@@ -41,11 +37,11 @@ def me_select(cond, inputa, inputb, dtype=ms.float32):
     net = Select(dtype)
     net.set_train()
     model = Model(net)
-    if isinstance(inputa, np.ndarray) == True:
+    if isinstance(inputa, np.ndarray):
         inputa = Tensor(inputa)
-    if isinstance(inputb, np.ndarray) == True:
+    if isinstance(inputb, np.ndarray):
         inputb = Tensor(inputb)
-    if isinstance(cond, np.bool_) == True:
+    if isinstance(cond, np.bool_):
         cond = np.array(cond)
 
     out = model.predict(Tensor(cond), inputa, inputb)
diff --git a/tests/st/ops/ascend/test_tbe_ops/test_sigmoid.py b/tests/st/ops/ascend/test_tbe_ops/test_sigmoid.py
index 223a41135c2..3243e2e4efb 100644
--- a/tests/st/ops/ascend/test_tbe_ops/test_sigmoid.py
+++ b/tests/st/ops/ascend/test_tbe_ops/test_sigmoid.py
@@ -18,7 +18,6 @@ import mindspore.context as context
 import mindspore.nn as nn
 from mindspore import Tensor
 from mindspore.common.api import ms_function
-from mindspore.ops import operations as P
 
 context.set_context(device_target="Ascend")
 
diff --git a/tests/st/ops/ascend/test_tbe_ops/test_softmax.py b/tests/st/ops/ascend/test_tbe_ops/test_softmax.py
index 3c3cf776b2b..07feff5be07 100644
--- a/tests/st/ops/ascend/test_tbe_ops/test_softmax.py
+++ b/tests/st/ops/ascend/test_tbe_ops/test_softmax.py
@@ -17,9 +17,6 @@ import numpy as np
 import mindspore.context as context
 import mindspore.nn as nn
 from mindspore import Tensor
-from mindspore.common.api import ms_function
-from mindspore.common.initializer import initializer
-from mindspore.common.parameter import Parameter
 from mindspore.ops import operations as P
 
 context.set_context(mode=context.GRAPH_MODE, device_target="Ascend")
diff --git a/tests/st/ops/ascend/test_tbe_ops/test_softmax_cross_entropy_with_logits.py b/tests/st/ops/ascend/test_tbe_ops/test_softmax_cross_entropy_with_logits.py
index 1c08f194076..7bcbf70b714 100644
--- a/tests/st/ops/ascend/test_tbe_ops/test_softmax_cross_entropy_with_logits.py
+++ b/tests/st/ops/ascend/test_tbe_ops/test_softmax_cross_entropy_with_logits.py
@@ -37,5 +37,5 @@ def test_net():
     features = np.random.randn(32, 1001).astype(np.float16)
     labels = np.random.randn(32, 1001).astype(np.float16)
     SoftmaxCrossEntropyWithLogits = Net()
-    output = SoftmaxCrossEntropyWithLogits(Tensor(features), Tensor(labels))
+    SoftmaxCrossEntropyWithLogits(Tensor(features), Tensor(labels))
     # print(output.asnumpy())
diff --git a/tests/st/ops/ascend/test_tbe_ops/test_split.py b/tests/st/ops/ascend/test_tbe_ops/test_split.py
index 51279d6de06..bed4fdae81a 100644
--- a/tests/st/ops/ascend/test_tbe_ops/test_split.py
+++ b/tests/st/ops/ascend/test_tbe_ops/test_split.py
@@ -17,9 +17,6 @@ import numpy as np
 import mindspore.context as context
 import mindspore.nn as nn
 from mindspore import Tensor
-from mindspore.common.api import ms_function
-from mindspore.common.initializer import initializer
-from mindspore.common.parameter import Parameter
 from mindspore.ops import operations as P
 
 context.set_context(mode=context.GRAPH_MODE, device_target="Ascend")
diff --git a/tests/st/ops/ascend/test_tbe_ops/test_sqrt.py b/tests/st/ops/ascend/test_tbe_ops/test_sqrt.py
index 207dcce6b1a..5a61ae9c35d 100644
--- a/tests/st/ops/ascend/test_tbe_ops/test_sqrt.py
+++ b/tests/st/ops/ascend/test_tbe_ops/test_sqrt.py
@@ -17,9 +17,6 @@ import numpy as np
 import mindspore.context as context
 import mindspore.nn as nn
 from mindspore import Tensor
-from mindspore.common.api import ms_function
-from mindspore.common.initializer import initializer
-from mindspore.common.parameter import Parameter
 from mindspore.ops import operations as P
 
 context.set_context(mode=context.GRAPH_MODE, device_target="Ascend")
diff --git a/tests/st/ops/ascend/test_tbe_ops/test_square.py b/tests/st/ops/ascend/test_tbe_ops/test_square.py
index 64005672c34..ab6c3a993dc 100644
--- a/tests/st/ops/ascend/test_tbe_ops/test_square.py
+++ b/tests/st/ops/ascend/test_tbe_ops/test_square.py
@@ -17,9 +17,6 @@ import numpy as np
 import mindspore.context as context
 import mindspore.nn as nn
 from mindspore import Tensor
-from mindspore.common.api import ms_function
-from mindspore.common.initializer import initializer
-from mindspore.common.parameter import Parameter
 from mindspore.ops import operations as P
 
 context.set_context(mode=context.GRAPH_MODE, device_target="Ascend")
diff --git a/tests/st/ops/ascend/test_tbe_ops/test_stridedslice.py b/tests/st/ops/ascend/test_tbe_ops/test_stridedslice.py
index 8908cb1d5f2..96a40c4d1ab 100644
--- a/tests/st/ops/ascend/test_tbe_ops/test_stridedslice.py
+++ b/tests/st/ops/ascend/test_tbe_ops/test_stridedslice.py
@@ -13,7 +13,6 @@
 # limitations under the License.
 # ============================================================================
 import numpy as np
-import pytest
 
 import mindspore.context as context
 import mindspore.ops.operations as P
@@ -32,8 +31,8 @@ class Net(Cell):
         self.end = end
         self.stride = stride
 
-    def construct(self, input):
-        x = self.stridedslice(input, self.begin, self.end, self.stride)
+    def construct(self, input_):
+        x = self.stridedslice(input_, self.begin, self.end, self.stride)
         return x
 
 
@@ -47,17 +46,17 @@ def me_stridedslice(input1, begin, end, stride):
 
 
 def test_stridedslice_input_2d():
-    input = np.random.randn(5, 5).astype(np.int32)
+    input_ = np.random.randn(5, 5).astype(np.int32)
     begin = (0, 0)
     end = (2, 2)
     stride = (1, 1)
 
-    me_stridedslice(input, begin, end, stride)
+    me_stridedslice(input_, begin, end, stride)
 
 
 def test_stridedslice_input_3d():
-    input = np.random.randn(5, 5, 5).astype(np.float32)
+    input_ = np.random.randn(5, 5, 5).astype(np.float32)
     begin = (0, 0, 0)
     end = (3, 3, 3)
     stride = (1, 1, 1)
-    me_stridedslice(input, begin, end, stride)
+    me_stridedslice(input_, begin, end, stride)
diff --git a/tests/st/ops/ascend/test_tbe_ops/test_stridedslice_grad.py b/tests/st/ops/ascend/test_tbe_ops/test_stridedslice_grad.py
index 9e693c78daa..1938aaeca38 100644
--- a/tests/st/ops/ascend/test_tbe_ops/test_stridedslice_grad.py
+++ b/tests/st/ops/ascend/test_tbe_ops/test_stridedslice_grad.py
@@ -13,7 +13,6 @@
 # limitations under the License.
 # ============================================================================
 import numpy as np
-import pytest
 
 from mindspore import context
 from mindspore.common.tensor import Tensor
@@ -30,8 +29,8 @@ class Grad(Cell):
         self.grad = GradOperation(name="get_all", get_all=True, sens_param=True)
         self.network = network
 
-    def construct(self, input, output_grad):
-        gout = self.grad(self.network)(input, output_grad)
+    def construct(self, input_, output_grad):
+        gout = self.grad(self.network)(input_, output_grad)
         return gout
 
 
@@ -43,13 +42,13 @@ class Net(Cell):
         self.end = end
         self.stride = stride
 
-    def construct(self, input):
-        x = self.stridedslice(input, self.begin, self.end, self.stride)
+    def construct(self, input_):
+        x = self.stridedslice(input_, self.begin, self.end, self.stride)
         return x
 
 
-def me_stridedslice(input, begin, end, stride, gradients):
-    input_me = Tensor(input)
+def me_stridedslice(input_, begin, end, stride, gradients):
+    input_me = Tensor(input_)
     out_grad_me = Tensor(gradients)
     net_me = Grad(Net(begin, end, stride))
     net_me.set_train()
@@ -58,9 +57,9 @@ def me_stridedslice(input, begin, end, stride, gradients):
 
 
 def test_grad_stridedslice_1d():
-    input = np.random.randn(2).astype(np.float32)
+    input_ = np.random.randn(2).astype(np.float32)
     begin = (0,)
     end = (2,)
     stride = (1,)
     gradients = np.random.randn(2).astype(np.float32)
-    me_stridedslice(input, begin, end, stride, gradients)
+    me_stridedslice(input_, begin, end, stride, gradients)
diff --git a/tests/st/ops/ascend/test_tbe_ops/test_sub.py b/tests/st/ops/ascend/test_tbe_ops/test_sub.py
index 97248082e82..77d5302fc53 100644
--- a/tests/st/ops/ascend/test_tbe_ops/test_sub.py
+++ b/tests/st/ops/ascend/test_tbe_ops/test_sub.py
@@ -17,9 +17,6 @@ import numpy as np
 import mindspore.context as context
 import mindspore.nn as nn
 from mindspore import Tensor
-from mindspore.common.api import ms_function
-from mindspore.common.initializer import initializer
-from mindspore.common.parameter import Parameter
 from mindspore.ops import operations as P
 
 context.set_context(mode=context.GRAPH_MODE, device_target="Ascend")
diff --git a/tests/st/ops/ascend/test_tbe_ops/test_tanh_grad.py b/tests/st/ops/ascend/test_tbe_ops/test_tanh_grad.py
index 04ada07d6ce..b9dd0080878 100644
--- a/tests/st/ops/ascend/test_tbe_ops/test_tanh_grad.py
+++ b/tests/st/ops/ascend/test_tbe_ops/test_tanh_grad.py
@@ -17,7 +17,6 @@ import numpy as np
 import mindspore.context as context
 import mindspore.nn as nn
 from mindspore import Tensor
-from mindspore.ops import operations as P
 from mindspore.ops.operations import _grad_ops as G
 from mindspore.train.model import Model
 
diff --git a/tests/st/ops/ascend/test_tbe_ops/test_tile.py b/tests/st/ops/ascend/test_tbe_ops/test_tile.py
index 02e5b5890bd..f2a5ed6a878 100644
--- a/tests/st/ops/ascend/test_tbe_ops/test_tile.py
+++ b/tests/st/ops/ascend/test_tbe_ops/test_tile.py
@@ -17,9 +17,6 @@ import numpy as np
 import mindspore.context as context
 import mindspore.nn as nn
 from mindspore import Tensor
-from mindspore.common.api import ms_function
-from mindspore.common.initializer import initializer
-from mindspore.common.parameter import Parameter
 from mindspore.ops import operations as P
 
 context.set_context(mode=context.GRAPH_MODE, device_target="Ascend")
diff --git a/tests/st/ops/ascend/test_tbe_ops/test_topk.py b/tests/st/ops/ascend/test_tbe_ops/test_topk.py
index 907c8534150..c96f3db9317 100644
--- a/tests/st/ops/ascend/test_tbe_ops/test_topk.py
+++ b/tests/st/ops/ascend/test_tbe_ops/test_topk.py
@@ -17,9 +17,6 @@ import numpy as np
 import mindspore.context as context
 import mindspore.nn as nn
 from mindspore import Tensor
-from mindspore.common.api import ms_function
-from mindspore.common.initializer import initializer
-from mindspore.common.parameter import Parameter
 from mindspore.ops import operations as P
 
 context.set_context(mode=context.GRAPH_MODE, device_target="Ascend")
diff --git a/tests/st/ops/ascend/test_tbe_ops/test_transpose_d.py b/tests/st/ops/ascend/test_tbe_ops/test_transpose_d.py
index 3f1367cc6f1..8f246fb07ce 100644
--- a/tests/st/ops/ascend/test_tbe_ops/test_transpose_d.py
+++ b/tests/st/ops/ascend/test_tbe_ops/test_transpose_d.py
@@ -29,14 +29,14 @@ class Net(nn.Cell):
         self.transpose = P.Transpose()
         self.perm = perm_in
 
-    def construct(self, input):
-        x = self.transpose(input, self.perm)
+    def construct(self, input_):
+        x = self.transpose(input_, self.perm)
         return x
 
 
-def ms_transpose(input, perm_in):
+def ms_transpose(input_, perm_in):
     context.set_context(mode=context.GRAPH_MODE)
-    input_me = Tensor(input)
+    input_me = Tensor(input_)
     net = Net(perm_in)
     net.set_train()
     model = Model(net)
@@ -47,6 +47,6 @@ def ms_transpose(input, perm_in):
 
 
 def test_net():
-    input = np.random.randn(8, 24, 1, 1).astype(np.float16)
+    input_ = np.random.randn(8, 24, 1, 1).astype(np.float16)
     perm = (0, 2, 3, 1)
-    ms_transpose(input, perm)
+    ms_transpose(input_, perm)
diff --git a/tests/st/ops/ascend/test_tbe_ops/test_unsorted_segment_sum.py b/tests/st/ops/ascend/test_tbe_ops/test_unsorted_segment_sum.py
index 75ce11d935f..e58ea23a1f9 100644
--- a/tests/st/ops/ascend/test_tbe_ops/test_unsorted_segment_sum.py
+++ b/tests/st/ops/ascend/test_tbe_ops/test_unsorted_segment_sum.py
@@ -33,19 +33,19 @@ class Net(nn.Cell):
         return self.seg_sum(x, segment_ids, self.num_segments)
 
 
-def me_un_seg_sum(input, indices, num_segments):
+def me_un_seg_sum(input_, indices, num_segments):
     context.set_context(mode=context.GRAPH_MODE)
     net = Net(num_segments)
     net.set_train()
     model = Model(net)
-    out = model.predict(Tensor(input), Tensor(indices))
+    out = model.predict(Tensor(input_), Tensor(indices))
     return out.asnumpy()
 
 
 def comapre_un_seg_sum(shape, indices, num_segments, dtype):
-    input = np.random.randn(*shape).astype(dtype)
+    input_ = np.random.randn(*shape).astype(dtype)
     indices_me = np.array(indices).astype(np.int32)
-    out_me = me_un_seg_sum(input, indices_me, num_segments)
+    out_me = me_un_seg_sum(input_, indices_me, num_segments)
     print("-------------ms------------------")
     print(out_me)
 
diff --git a/tests/st/ops/ascend/test_tdt_data_ms.py b/tests/st/ops/ascend/test_tdt_data_ms.py
index 889d4883f9c..d680ac0a557 100644
--- a/tests/st/ops/ascend/test_tdt_data_ms.py
+++ b/tests/st/ops/ascend/test_tdt_data_ms.py
@@ -87,8 +87,8 @@ if __name__ == '__main__':
             super(dataiter, self).__init__()
 
         def construct(self):
-            input, label = get_next()
-            return tadd(input)
+            input_, _ = get_next()
+            return tadd(input_)
 
 
     net = dataiter()
diff --git a/tests/st/ops/cpu/test_bias_add_grad.py b/tests/st/ops/cpu/test_bias_add_grad.py
index bb3d7411005..9c185c4e1df 100644
--- a/tests/st/ops/cpu/test_bias_add_grad.py
+++ b/tests/st/ops/cpu/test_bias_add_grad.py
@@ -18,7 +18,6 @@ import pytest
 import mindspore.context as context
 import mindspore.nn as nn
 from mindspore import Tensor
-from mindspore.ops import operations as P
 from mindspore.ops.operations import _grad_ops as G
 
 context.set_context(mode=context.GRAPH_MODE, device_target='CPU')
diff --git a/tests/st/ops/cpu/test_maxpool_grad_op.py b/tests/st/ops/cpu/test_maxpool_grad_op.py
index d1e1032d1ca..ee0a654969b 100644
--- a/tests/st/ops/cpu/test_maxpool_grad_op.py
+++ b/tests/st/ops/cpu/test_maxpool_grad_op.py
@@ -21,7 +21,6 @@ import mindspore.nn as nn
 from mindspore import Tensor
 from mindspore.common.initializer import initializer
 from mindspore.common.parameter import Parameter
-from mindspore.ops import operations as P
 from mindspore.ops.operations import _grad_ops as G
 
 context.set_context(mode=context.GRAPH_MODE, device_target='CPU')
diff --git a/tests/st/ops/cpu/test_momentum_op.py b/tests/st/ops/cpu/test_momentum_op.py
index 862e8eae770..43ba785aed2 100644
--- a/tests/st/ops/cpu/test_momentum_op.py
+++ b/tests/st/ops/cpu/test_momentum_op.py
@@ -57,7 +57,7 @@ def test_momentum():
     train_network = TrainOneStepCell(net_with_criterion, optimizer)  # optimizer
     train_network.set_train()
     losses = []
-    for i in range(epoch):
+    for _ in range(epoch):
         data = Tensor(np.arange(0, 16).reshape(1, 1, 4, 4).astype(np.float32) * 0.01)
         label = Tensor(np.array([0]).astype(np.int32))
         loss = train_network(data, label)
@@ -70,6 +70,5 @@ def test_momentum():
     [[0.04132498 0.00874167 0.00874167 0.00874167 0.00874167
       0.00874167 0.00874167 0.00874167 0.00874167 0.00874167]]
     """
-    error = np.ones(shape=[1, 10]) * 1.0e-6
 
     return losses
diff --git a/tests/st/ops/cpu/test_one_hot_op.py b/tests/st/ops/cpu/test_one_hot_op.py
index 3383049db7c..fb825179c36 100644
--- a/tests/st/ops/cpu/test_one_hot_op.py
+++ b/tests/st/ops/cpu/test_one_hot_op.py
@@ -20,7 +20,6 @@ import mindspore.context as context
 import mindspore.nn as nn
 from mindspore import Tensor
 from mindspore.common.api import ms_function
-from mindspore.ops import operations as P
 
 context.set_context(device_target='CPU')
 
diff --git a/tests/st/ops/cpu/test_relu_grad_op.py b/tests/st/ops/cpu/test_relu_grad_op.py
index 2eb0ef4693d..b1336b0ffe4 100644
--- a/tests/st/ops/cpu/test_relu_grad_op.py
+++ b/tests/st/ops/cpu/test_relu_grad_op.py
@@ -21,7 +21,6 @@ import mindspore.nn as nn
 from mindspore import Tensor
 from mindspore.common.initializer import initializer
 from mindspore.common.parameter import Parameter
-from mindspore.ops import operations as P
 from mindspore.ops.operations import _grad_ops as G
 
 context.set_context(mode=context.GRAPH_MODE, device_target='CPU')
@@ -48,7 +47,7 @@ class NetReluGrad(nn.Cell):
 def test_relu_grad():
     relu_grad = NetReluGrad()
     output = relu_grad()
-    expect = np.array([[[[0, 0, 1, ], [0, 0, 0, ], [1, 1, 0.]]]]).astype(np.float32)
+    expect = np.array([[[[0, 0, 1,], [0, 0, 0,], [1, 1, 0.]]]]).astype(np.float32)
     error = np.ones(shape=[3, 3]) * 1.0e-6
     diff = output.asnumpy() - expect
     assert np.all(diff < error)
diff --git a/tests/st/ops/cpu/test_relu_op.py b/tests/st/ops/cpu/test_relu_op.py
index b2b64eb61aa..03680fe9cc7 100644
--- a/tests/st/ops/cpu/test_relu_op.py
+++ b/tests/st/ops/cpu/test_relu_op.py
@@ -44,8 +44,8 @@ class NetRelu(nn.Cell):
 def test_relu():
     relu = NetRelu()
     output = relu()
-    expect = np.array([[[[0, 1, 10, ],
-                         [1, 0, 1, ],
+    expect = np.array([[[[0, 1, 10,],
+                         [1, 0, 1,],
                          [10, 1, 0.]]]]).astype(np.float32)
     print(output)
     assert (output.asnumpy() == expect).all()
diff --git a/tests/st/ops/custom_ops_tbe/conv_layer.py b/tests/st/ops/custom_ops_tbe/conv_layer.py
new file mode 100755
index 00000000000..dad5a8c8697
--- /dev/null
+++ b/tests/st/ops/custom_ops_tbe/conv_layer.py
@@ -0,0 +1,519 @@
+# Copyright 2020 Huawei Technologies Co., Ltd
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+# ============================================================================
+import te.lang.cce
+from te import tvm
+from te.platform import CUBE_MKN
+from topi import generic
+from topi.cce import util
+from topi.cce.util import is_v200_version
+
+# pylint: disable=R0912,R0913,R0914,R0915,E1101
+# the dim of shape in conv must be 4
+PAD_SHAPE_DIM = 2
+
+NONETYPE = type(None)
+
+
+@util.check_input_type((list, tuple), (list, tuple), str, str, str, (list, int), (list, int),
+                       int, int, (list, tuple), (list, tuple),
+                       str, str, str,
+                       str, str, str,
+                       str, bool, str)
+def conv_layer_cce_para_check(shape_in, shape_w, in_dtype, w_dtype, res_dtype, padh, padw,
+                              strideh, stridew, quantize_config, scale_sqrt,
+                              scale_q_dtype, offset_q_dtype, scale_dq_dtype,
+                              scale_rq_dtype, offset_rq_dtype, offset_w_dtype,
+                              offset_pad_dtype, bias, kernel_name):
+    # conv shape check
+    util.check_kernel_name(kernel_name)
+
+    # conv data type check
+    util.check_dtype_rule(in_dtype, ['float16', 'int8', 'uint8'])
+    util.check_dtype_rule(w_dtype, ['float16', 'int8', 'uint8'])
+    res_dtype_list = ['float16', 'int8', 'uint8']
+    if is_v200_version():
+        res_dtype_list.append('int32')
+    util.check_dtype_rule(res_dtype, res_dtype_list)
+    util.check_dtype_rule(scale_q_dtype, ['float16'])
+    util.check_dtype_rule(offset_q_dtype, ['float16'])
+    util.check_dtype_rule(scale_dq_dtype, ['float16'])
+    util.check_dtype_rule(scale_rq_dtype, ['float16'])
+    util.check_dtype_rule(offset_rq_dtype, ['float16'])
+    util.check_dtype_rule(offset_w_dtype, ['int32'])
+    util.check_dtype_rule(offset_pad_dtype, ['uint8'])
+
+    if not isinstance(bias, bool):
+        raise RuntimeError("bias dtype should be bool.")
+
+    if quantize_config[0] == 0:
+        if is_v200_version():
+            util.check_dtype_rule(in_dtype, ('int8',))
+            util.check_dtype_rule(w_dtype, ('int8',))
+            util.check_dtype_rule(res_dtype, ('int32',))
+        else:
+            util.check_dtype_rule(in_dtype, ['float16'])
+            util.check_dtype_rule(w_dtype, ['float16'])
+            util.check_dtype_rule(res_dtype, ['float16'])
+
+    if quantize_config[0] == 1:
+        util.check_dtype_rule(w_dtype, ['int8'])
+        if quantize_config[1] == 0:
+            util.check_dtype_rule(in_dtype, ['int8', 'float16'])
+            util.check_dtype_rule(res_dtype, ['int8', 'float16'])
+        elif quantize_config[1] == 1:
+            util.check_dtype_rule(in_dtype, ['uint8', 'float16'])
+            util.check_dtype_rule(res_dtype, ['uint8', 'float16'])
+        elif quantize_config[1] == 2:
+            raise RuntimeError("All Offset mode quantize not support.")
+        else:
+            raise RuntimeError("Invalid quantize algorithm.")
+
+    # quantize switch on
+    if quantize_config[0] == 1:
+        # quantize -> DeQuantize dataflow
+        if in_dtype == 'float16' and w_dtype == 'int8' and res_dtype == 'float16':
+            pass
+        # DeQuantize dataflow
+        elif (in_dtype in ['int8', 'uint8'] and w_dtype == 'int8' and
+              res_dtype == 'float16'):
+            pass
+        # quantize -> ReQuantize dataflow
+        elif (in_dtype == 'float16' and w_dtype == 'int8' and res_dtype in
+              ['int8', 'uint8']):
+            pass
+        # ReQuantize dataflow
+        elif (in_dtype in ['int8', 'uint8'] and w_dtype == 'int8' and res_dtype in
+              ['int8', 'uint8']):
+            pass
+        else:
+            raise RuntimeError("Not support in/out data type for quantize.")
+
+        if quantize_config not in ([1, 0, 0], [1, 1, 0], [1, 0, 1], [1, 1, 1]):
+            raise RuntimeError("Invalid Quantize Config.")
+
+        if scale_sqrt not in ([0, 0, 0], [1, 0, 0], [0, 1, 0], [1, 1, 0], [0, 0, 1],
+                              [1, 0, 1], [0, 1, 1], [1, 1, 1]):
+            raise RuntimeError("Invalid Quantize Config.")
+
+    # quantize switch off
+    elif quantize_config[0] == 0:
+        if quantize_config != [0, 0, 0]:
+            raise RuntimeError("Invalid Quantize Config.")
+        if scale_sqrt != [0, 0, 0]:
+            raise RuntimeError("Invalid Quantize Config.")
+    else:
+        raise RuntimeError("Invalid Quantize Config.")
+
+    if isinstance(padh, list):
+        if len(padh) != PAD_SHAPE_DIM:
+            raise RuntimeError("Dimension must be %d when padh is a list." % PAD_SHAPE_DIM)
+        pad_top = padh[0]
+        pad_bottom = padh[1]
+    else:
+        pad_top = padh
+        pad_bottom = padh
+
+    if isinstance(padw, list):
+        if len(padw) != PAD_SHAPE_DIM:
+            raise RuntimeError("Dimension must be %d when padw is a list." % PAD_SHAPE_DIM)
+        pad_left = padw[0]
+        pad_right = padw[1]
+    else:
+        pad_left = padw
+        pad_right = padw
+
+    shape_in, shape_w = te.lang.cce.check_conv_shape(shape_in, shape_w, pad_top, pad_bottom, \
+                                                     pad_left, pad_right, strideh, \
+                                                     stridew, in_dtype, w_dtype, res_dtype)
+
+    return shape_in, shape_w
+
+
+@util.check_input_type((list, tuple), (list, tuple), str, str, str, \
+                       (list, int), (list, int), int, int,
+                       (list, NONETYPE), (list, NONETYPE),
+                       str, str, str,
+                       str, str, str, str,
+                       bool, str, bool, bool)
+def conv_layer_cce(shape_in, shape_w, in_dtype, w_dtype, res_dtype, padh, padw, strideh, stridew,
+                   quantize_config=None, scale_sqrt=None,
+                   scale_q_dtype='float16', offset_q_dtype='float16', scale_dq_dtype='float16',
+                   scale_rq_dtype='float16', offset_rq_dtype='float16', offset_w_dtype='int32',
+                   offset_pad_dtype='uint8', bias=False, kernel_name="cce_conv", need_build=False,
+                   need_print=False):
+    """
+
+    Parameters
+    ----------
+    shape_in : shape of data_in
+
+    shape_w : shape of filter
+
+    in_dtype : the feature map data type
+
+    w_dtype : the weight data type
+
+    res_dtype : the result data type
+
+    padh: the padding shape in H
+
+    padw: the padding shape in weight
+
+    strideh: the stride value in H
+
+    stridew: the stride value in weight
+
+    quantize_config: quantize config table, default [0, 0, 0]
+    quantize_config[0] - quantize function switch
+                        0: quantize off
+                        1: quantize on
+    quantize_config[1] - quantize_algorithm
+                        0: non offset
+                        1: half offset
+                        2: all offset ( Not supported now )
+    quantize_config[2] - QuantizeScaleType (for Dequantize/Requantize, quantize always scalar)
+                        0: scalar
+                        1: vector
+
+    scale_sqrt: scale mode
+    scale_sqrt[0] - Quantize scale mode
+                   0: non sqrt
+                   1: sqrt
+    scale_sqrt[1] - DeQuantize scale mode
+                   0: non sqrt
+                   1: sqrt
+    scale_sqrt[2] - ReQuantize scale mode
+                   0: non sqrt
+                   1: sqrt
+
+    scale_q_dtype: Quantize scale data type, default 'float16'
+
+    offset_q_dtype: Quantize offset data type, default 'float16'
+
+    scale_dq_dtype: DeQuantize scale data type, default 'float16'
+
+    scale_rq_dtype: ReQuantize scale data type, default 'float16'
+
+    offset_rq_dtype: ReQuantize offset data type, default 'float16'
+
+    offset_w_dtype: weight offset data type, default 'int32'
+
+    offset_pad_dtype: Quantize Cube offset data type, default 'uint8'
+
+    bias: the tag for bias or not
+
+    kernel_name : cce kernel name, default value is "cce_conv"
+
+    need_build : if need to build CCEC kernel, default value is False
+
+    need_print : if need to print the ir, default value is False
+
+    Returns
+    -------
+    wrapped_tensor
+
+    """
+    # for pylint, otherwise "Dangerous default value [] as argument"
+    if quantize_config is None:
+        quantize_config = [0, 0, 0]
+    if scale_sqrt is None:
+        scale_sqrt = [0, 0, 0]
+
+    in_dtype = in_dtype.lower()
+    w_dtype = w_dtype.lower()
+    res_dtype = res_dtype.lower()
+    scale_q_dtype = scale_q_dtype.lower()
+    offset_q_dtype = offset_q_dtype.lower()
+    scale_dq_dtype = scale_dq_dtype.lower()
+    scale_rq_dtype = scale_rq_dtype.lower()
+    offset_rq_dtype = offset_rq_dtype.lower()
+    offset_w_dtype = offset_w_dtype.lower()
+    offset_pad_dtype = offset_pad_dtype.lower()
+
+    mad_dtype = 'float32'
+    if w_dtype == 'int8':
+        mad_dtype = 'int32'
+
+    shape_in = list(shape_in)
+    shape_w = list(shape_w)
+
+    shape_in, shape_w = conv_layer_cce_para_check(shape_in, shape_w, in_dtype, w_dtype, res_dtype, padh, padw, strideh,
+                                                  stridew,
+                                                  quantize_config, scale_sqrt, scale_q_dtype, offset_q_dtype,
+                                                  scale_dq_dtype,
+                                                  scale_rq_dtype, offset_rq_dtype, offset_w_dtype, offset_pad_dtype,
+                                                  bias, kernel_name)
+
+    # quantize switch on
+    if quantize_config[0] == 1:
+        quantize_turn_on = True
+        # quantize -> DeQuantize dataflow
+        if in_dtype == 'float16' and w_dtype == 'int8' and res_dtype == 'float16':
+            is_quantize = True
+            is_dequantize = True
+            is_requantize = False
+        # DeQuantize dataflow
+        elif (in_dtype in ['int8', 'uint8'] and w_dtype == 'int8' and
+              res_dtype == 'float16'):
+            is_quantize = False
+            is_dequantize = True
+            is_requantize = False
+        # quantize -> ReQuantize dataflow
+        elif (in_dtype == 'float16' and w_dtype == 'int8' and res_dtype in
+              ['int8', 'uint8']):
+            is_quantize = True
+            is_dequantize = False
+            is_requantize = True
+        # ReQuantize dataflow
+        elif (in_dtype in ['int8', 'uint8'] and w_dtype == 'int8' and res_dtype in
+              ['int8', 'uint8']):
+            is_quantize = False
+            is_dequantize = False
+            is_requantize = True
+        else:
+            raise RuntimeError("Not support in/out data type for quantize.")
+
+    # quantize switch off
+    elif quantize_config[0] == 0:
+        quantize_turn_on = False
+        is_quantize = False
+        is_dequantize = False
+        is_requantize = False
+
+        if quantize_config != [0, 0, 0]:
+            raise RuntimeError("Invalid Quantize Config.")
+        if scale_sqrt != [0, 0, 0]:
+            raise RuntimeError("Invalid Quantize Config.")
+    else:
+        raise RuntimeError("Invalid Quantize Config.")
+
+    batch_size = shape_in[0]
+    in_channel = shape_in[1]
+    feature_map_h = shape_in[2]
+    feature_map_w = shape_in[3]
+    block_size_k = CUBE_MKN[in_dtype]['mac'][1]
+    fmap_shape_nc1hwc0 = (batch_size, (in_channel + block_size_k - 1) // block_size_k,
+                          feature_map_h, feature_map_w, block_size_k)
+
+    out_channel = shape_w[0]
+    in_channel_weight = shape_w[1]
+    filter_h = shape_w[2]
+    filter_w = shape_w[3]
+    block_size_k = CUBE_MKN[w_dtype]['mac'][1]
+    block_size_n = CUBE_MKN[w_dtype]['mac'][2]
+    filter_shape_frac_z = (in_channel_weight * filter_h * filter_w // block_size_k,
+                           out_channel // block_size_n, block_size_n, block_size_k)
+
+    with tvm.target.cce():
+        data = tvm.placeholder(
+            fmap_shape_nc1hwc0, name='Fmap', dtype=in_dtype)
+        weight = tvm.placeholder(
+            filter_shape_frac_z, name='Filter', dtype=w_dtype)
+        bias_tensor = None
+        scale_q = None
+        scale_dq = None
+        scale_rq = None
+        offset_pad = None
+        offset_rq = None
+        offset_q = None
+        scale_drq = None
+
+        # bias or fusion_bias(half offset)
+        if bias or (quantize_config[1] == 1 and quantize_turn_on):
+            bias_tensor = tvm.placeholder(
+                (out_channel,), name='bias_tensor', \
+                dtype="int32" if quantize_turn_on else res_dtype)
+
+        # quantize on
+        if quantize_turn_on:
+            quantize_algorithm = quantize_config[1]
+            if is_quantize:
+                scale_q = tvm.placeholder(
+                    (CUBE_MKN[scale_q_dtype]['mac'][1],), name='scaleQ', dtype=scale_q_dtype)
+                if quantize_algorithm == 1:
+                    offset_q = tvm.placeholder(
+                        (CUBE_MKN[offset_q_dtype]['mac'][1],), name='offsetQ', dtype=offset_q_dtype)
+
+            if is_dequantize:
+                scale_dq_shape = (CUBE_MKN[scale_dq_dtype]['mac'][1],) if quantize_config[2] == 0 \
+                    else (out_channel,)
+                scale_dq = tvm.placeholder(
+                    scale_dq_shape, name='scaleDq', dtype=scale_dq_dtype)
+
+            if is_requantize:
+                scale_rq_shape = (CUBE_MKN[scale_rq_dtype]['mac'][1],) if quantize_config[2] == 0 \
+                    else (out_channel,)
+                scale_rq = tvm.placeholder(
+                    scale_rq_shape, name='scaleRq', dtype=scale_rq_dtype)
+                if quantize_algorithm == 1:
+                    offset_rq_shape = (CUBE_MKN[offset_rq_dtype]['mac'][1],)
+                    offset_rq = tvm.placeholder(
+                        offset_rq_shape, name='offsetRq', dtype=offset_rq_dtype)
+
+            # need offset_pad , for half offset
+            if quantize_algorithm == 1:
+                offset_pad = tvm.placeholder(
+                    (CUBE_MKN[offset_pad_dtype]['mac'][1],), name='offset_pad',
+                    dtype=offset_pad_dtype)
+
+            if quantize_algorithm == 0:
+                if is_quantize:
+                    if is_dequantize:
+                        scale_drq = scale_dq
+                    else:
+                        scale_drq = scale_rq
+
+                    conv_res = te.lang.cce.conv(
+                        data, weight, {"bias_tensor": bias_tensor,
+                                       "scale_q": scale_q,
+                                       "offset_q": offset_q,
+                                       "scale_drq": scale_drq,
+                                       "offset_pad": offset_pad,
+                                       "offset_rq": offset_rq,
+                                       "quantize_config": quantize_config,
+                                       "is_quantize": is_quantize,
+                                       "is_dequantize": is_dequantize,
+                                       "is_requantize": is_requantize,
+                                       "scale_sqrt": scale_sqrt,
+                                       "pad_h": padh, "pad_w": padw,
+                                       "stride_h": strideh, "stride_w": stridew,
+                                       "filter_h": filter_h, "filter_w": filter_w,
+                                       "res_dtype": res_dtype, "mad_dtype": mad_dtype},
+                        dsl_flag=False)
+                    if bias:
+                        tensor_list = [data, weight, bias_tensor, scale_q,
+                                       scale_drq, conv_res]
+                    else:
+                        tensor_list = [data, weight, scale_q,
+                                       scale_drq, conv_res]
+                else:
+                    if is_dequantize:
+                        scale_drq = scale_dq
+                    else:
+                        scale_drq = scale_rq
+                    conv_res = te.lang.cce.conv(
+                        data, weight, {"bias_tensor": bias_tensor,
+                                       "scale_q": scale_q,
+                                       "offset_q": offset_q,
+                                       "scale_drq": scale_drq,
+                                       "offset_pad": offset_pad,
+                                       "offset_rq": offset_rq,
+                                       "quantize_config": quantize_config,
+                                       "is_quantize": is_quantize,
+                                       "is_dequantize": is_dequantize,
+                                       "is_requantize": is_requantize,
+                                       "scale_sqrt": scale_sqrt,
+                                       "pad_h": padh, "pad_w": padw,
+                                       "stride_h": strideh, "stride_w": stridew,
+                                       "filter_h": filter_h, "filter_w": filter_w,
+                                       "res_dtype": res_dtype, "mad_dtype": mad_dtype},
+                        dsl_flag=False)
+                    if bias:
+                        tensor_list = [data, weight, bias_tensor,
+                                       scale_drq, conv_res]
+                    else:
+                        tensor_list = [data, weight,
+                                       scale_drq, conv_res]
+
+            # half offset
+            else:
+                if is_quantize:
+                    if is_dequantize:
+                        scale_drq = scale_dq
+                    else:
+                        scale_drq = scale_rq
+                    conv_res = te.lang.cce.conv(
+                        data, weight, {"bias_tensor": bias_tensor,
+                                       "scale_q": scale_q,
+                                       "offset_q": offset_q,
+                                       "scale_drq": scale_drq,
+                                       "offset_pad": offset_pad,
+                                       "offset_rq": offset_rq,
+                                       "quantize_config": quantize_config,
+                                       "is_quantize": is_quantize,
+                                       "is_dequantize": is_dequantize,
+                                       "is_requantize": is_requantize,
+                                       "scale_sqrt": scale_sqrt,
+                                       "pad_h": padh, "pad_w": padw,
+                                       "stride_h": strideh, "stride_w": stridew,
+                                       "filter_h": filter_h, "filter_w": filter_w,
+                                       "res_dtype": res_dtype, "mad_dtype": mad_dtype},
+                        dsl_flag=False)
+                    if is_dequantize:
+                        tensor_list = [data, weight, bias_tensor, scale_q, offset_q,
+                                       scale_drq, offset_pad, conv_res]
+                    else:
+                        tensor_list = [data, weight, bias_tensor, scale_q, offset_q,
+                                       scale_drq, offset_rq, offset_pad, conv_res]
+                else:
+                    if is_dequantize:
+                        scale_drq = scale_dq
+                    else:
+                        scale_drq = scale_rq
+                    conv_res = te.lang.cce.conv(
+                        data, weight, {"bias_tensor": bias_tensor,
+                                       "scale_q": scale_q,
+                                       "offset_q": offset_q,
+                                       "scale_drq": scale_drq,
+                                       "offset_pad": offset_pad,
+                                       "offset_rq": offset_rq,
+                                       "quantize_config": quantize_config,
+                                       "is_quantize": is_quantize,
+                                       "is_dequantize": is_dequantize,
+                                       "is_requantize": is_requantize,
+                                       "scale_sqrt": scale_sqrt,
+                                       "pad_h": padh, "pad_w": padw,
+                                       "stride_h": strideh, "stride_w": stridew,
+                                       "filter_h": filter_h, "filter_w": filter_w,
+                                       "res_dtype": res_dtype, "mad_dtype": mad_dtype},
+                        dsl_flag=False)
+                    if is_dequantize:
+                        tensor_list = [data, weight, bias_tensor,
+                                       scale_drq, offset_pad, conv_res]
+                    else:
+                        tensor_list = [data, weight, bias_tensor,
+                                       scale_drq, offset_rq, offset_pad, conv_res]
+        else:
+            conv_res = te.lang.cce.conv(
+                data, weight, {"bias_tensor": bias_tensor,
+                               "scale_q": scale_q,
+                               "offset_q": offset_q,
+                               "scale_drq": scale_drq,
+                               "offset_pad": offset_pad,
+                               "offset_rq": offset_rq,
+                               "quantize_config": quantize_config,
+                               "is_quantize": is_quantize,
+                               "is_dequantize": is_dequantize,
+                               "is_requantize": is_requantize,
+                               "scale_sqrt": scale_sqrt,
+                               "pad_h": padh, "pad_w": padw,
+                               "stride_h": strideh, "stride_w": stridew,
+                               "filter_h": filter_h, "filter_w": filter_w,
+                               "res_dtype": res_dtype, "mad_dtype": mad_dtype},
+                dsl_flag=False)
+            if bias:
+                tensor_list = [data, weight, bias_tensor, conv_res]
+            else:
+                tensor_list = [data, weight, conv_res]
+        sch = generic.auto_schedule(conv_res)
+
+    config = {
+        "print_ir": need_print,
+        "need_build": need_build,
+        "name": kernel_name,
+        "tensor_list": tensor_list
+    }
+
+    te.lang.cce.cce_build_code(sch, config)
diff --git a/tests/st/ops/custom_ops_tbe/cus_square.py b/tests/st/ops/custom_ops_tbe/cus_square.py
index 85d4ebb996f..59ba7988699 100644
--- a/tests/st/ops/custom_ops_tbe/cus_square.py
+++ b/tests/st/ops/custom_ops_tbe/cus_square.py
@@ -20,12 +20,12 @@ from mindspore.ops import operations as P
 # y = x^2
 class CusSquare(PrimitiveWithInfer):
     """CusSquare definition"""
+    from square_impl import CusSquareImpl
 
     @prim_attr_register
     def __init__(self):
         """init CusSquare"""
         self.init_prim_io_names(inputs=['x'], outputs=['y'])
-        from square_impl import CusSquareImpl
 
     def vm_impl(self, x):
         x = x.asnumpy()
diff --git a/tests/st/ops/gpu/test_batch_matmul.py b/tests/st/ops/gpu/test_batch_matmul.py
index 361280dd9b4..e8450bd81d4 100644
--- a/tests/st/ops/gpu/test_batch_matmul.py
+++ b/tests/st/ops/gpu/test_batch_matmul.py
@@ -119,7 +119,7 @@ def test_4d_transpose_ab():
                [[5612, 5810, 6008, 6206]]]]
     assert (output.asnumpy() == expect).all()
 
-def test_4d_fp16():
+def test_4D_fp16():
     input_x = Tensor(np.arange(2 * 4 * 1 * 3).reshape(2, 4, 1, 3), mstype.float16)
     input_y = Tensor(np.arange(2 * 4 * 3 * 4).reshape(2, 4, 3, 4), mstype.float16)
 
diff --git a/tests/st/ops/gpu/test_batchnorm_fold2_op.py b/tests/st/ops/gpu/test_batchnorm_fold2_op.py
index 47b11b7b7a9..f888666d201 100644
--- a/tests/st/ops/gpu/test_batchnorm_fold2_op.py
+++ b/tests/st/ops/gpu/test_batchnorm_fold2_op.py
@@ -68,10 +68,11 @@ def test_batchnrom_fold2():
     current_step = np.array([0]).astype('int32')
     output = net(Tensor(x), Tensor(beta), Tensor(gamma), Tensor(batch_std), Tensor(batch_mean),
                  Tensor(running_std), Tensor(running_mean), Tensor(current_step))
-    expect = ((x + beta.reshape(-1, 1, 1) - 
-               (gamma * running_mean / running_std).reshape(-1, 1, 1) if current_step >= freeze_bn else
-               x * (running_std / batch_std).reshape(-1, 1, 1) + 
-               (beta - gamma * batch_mean / batch_std).reshape(-1, 1, 1)))
+    expect = (x + beta.reshape(-1, 1,
+                               1) - (gamma * running_mean / running_std).reshape(-1, 1,
+                                                                                 1) if current_step >= freeze_bn else
+              x * (running_std / batch_std).reshape(-1, 1, 1) + (beta - gamma * batch_mean / batch_std).reshape(-1, 1,
+                                                                                                                1))
     error = np.ones(shape=expect.shape) * 1.0e-6
     diff = output.asnumpy() - expect
     assert np.all(diff < error)
@@ -80,9 +81,11 @@ def test_batchnrom_fold2():
     current_step = np.array([100000]).astype('int32')
     output = net(Tensor(x), Tensor(beta), Tensor(gamma), Tensor(batch_std), Tensor(batch_mean), Tensor(running_std),
                  Tensor(running_mean), Tensor(current_step))
-    expect = ((x + beta.reshape(-1, 1, 1) - (gamma * running_mean / running_std).reshape(-1, 1, 1) 
-               if current_step >= freeze_bn else x * (batch_std / running_std).reshape(-1, 1, 1) + 
-               (beta - gamma * batch_mean / batch_std).reshape(-1, 1, 1)))
+    expect = (x + beta.reshape(-1, 1,
+                               1) - (gamma * running_mean / running_std).reshape(-1, 1,
+                                                                                 1) if current_step >= freeze_bn else
+              x * (batch_std / running_std).reshape(-1, 1, 1) + (beta - gamma * batch_mean / batch_std).reshape(-1, 1,
+                                                                                                                1))
     error = np.ones(shape=expect.shape) * 1.0e-6
     diff = output.asnumpy() - expect
     assert np.all(diff < error)
diff --git a/tests/st/ops/gpu/test_batchnorm_fold_grad_op.py b/tests/st/ops/gpu/test_batchnorm_fold_grad_op.py
index 5d20a95ac07..655f3446245 100644
--- a/tests/st/ops/gpu/test_batchnorm_fold_grad_op.py
+++ b/tests/st/ops/gpu/test_batchnorm_fold_grad_op.py
@@ -38,8 +38,8 @@ class Net(nn.Cell):
 
 def np_result(d_batch_mean, d_batch_std, x, batch_mean, batch_std):
     n = x.shape[0] * x.shape[2] * x.shape[3]
-    dx = (d_batch_mean.reshape(1, -1, 1, 1) / n + d_batch_std.reshape(1, -1, 1, 1) *
-          (x - batch_mean.reshape(1, -1, 1, 1)) / batch_std.reshape(1, -1, 1, 1) / n)
+    dx = d_batch_mean.reshape(1, -1, 1, 1) / n + d_batch_std.reshape(1, -1, 1, 1) * (
+        x - batch_mean.reshape(1, -1, 1, 1)) / batch_std.reshape(1, -1, 1, 1) / n
     return dx
 
 
diff --git a/tests/st/ops/gpu/test_dense_op.py b/tests/st/ops/gpu/test_dense_op.py
index 125b273a820..220f7ae051d 100644
--- a/tests/st/ops/gpu/test_dense_op.py
+++ b/tests/st/ops/gpu/test_dense_op.py
@@ -172,8 +172,8 @@ class Grad(nn.Cell):
         self.grad = GradOperation(name="get_all", get_all=True, sens_param=True)
         self.network = network
 
-    def construct(self, inputs, bias, dy):
-        return self.grad(self.network)(inputs, bias, dy)
+    def construct(self, input_, bias, dy):
+        return self.grad(self.network)(input_, bias, dy)
 
 
 @pytest.mark.level0
diff --git a/tests/st/ops/gpu/test_lstm_op.py b/tests/st/ops/gpu/test_lstm_op.py
index d73850668e0..f0a58c2d36c 100644
--- a/tests/st/ops/gpu/test_lstm_op.py
+++ b/tests/st/ops/gpu/test_lstm_op.py
@@ -783,10 +783,6 @@ def test_grad():
     bidirectional = True
     dropout = 0.0
 
-    num_directions = 1
-    if bidirectional:
-        num_directions = 2
-
     net = Grad(Net(seq_len, batch_size, input_size, hidden_size, num_layers, has_bias, bidirectional, dropout))
 
     dy = np.array([[[-3.5471e-01, 7.0540e-01, -7.5945e-01, -1.2322e+00],
@@ -804,7 +800,7 @@ def test_grad():
                    [[-1.6032e+00, -1.8818e-01, 7.0441e-01, -2.8765e+00],
                     [1.0065e-01, 9.2045e-01, 2.7426e-01, 2.6196e-01]]]).astype(np.float32)
 
-    dx, dh, dc, dw = net(Tensor(dy))
+    dx, dh, dc, _ = net(Tensor(dy))
     expect_dx = np.array([[[0.01697153, -0.0096909, 0.01306139, 0.00863109, -0.00122794, -0.00746152, -0.00879683,
                             0.00643571, 0.0015958, 0.01480642],
                            [0.05794962, -0.02326604, 0.01862703, 0.02053947, 0.02607713, -0.01278067, 0.04250786,
@@ -964,12 +960,8 @@ def test_lstm_dropout():
     bidirectional = False
     dropout = 1.0
 
-    num_directions = 1
-    if bidirectional:
-        num_directions = 2
-
     net = LstmNetWithDropout(seq_len, batch_size, input_size, hidden_size, num_layers, has_bias, bidirectional, dropout)
-    y, h, c, _, _ = net()
+    y, _, _, _, _ = net()
     expect_y = np.array([[[-0.45210335, -0.0844336],
                           [-0.14677924, 0.07140275]],
 
diff --git a/tests/st/ops/gpu/test_minimum_op.py b/tests/st/ops/gpu/test_minimum_op.py
index 9ba8cc53096..c5669b17e05 100644
--- a/tests/st/ops/gpu/test_minimum_op.py
+++ b/tests/st/ops/gpu/test_minimum_op.py
@@ -178,7 +178,8 @@ def test_broadcast():
     expect_dx2 = np.array([[[[0., 4.250458, 2.5030296, 3.623167, 6.4171505, 7.2115746]],
                             [[0., 4.367449, 2.803152, 2.5352, 0., 0.]],
                             [[0.7087075, 0., 2.040332, 2.1372325, 0., 2.9222295]],
-                            [[1.0278877, 5.247942, 2.6855955, 5.494814, 3.5657988, 0.66265094]]]]).astype(np.float32)
+                            [[1.0278877, 5.247942, 2.6855955, 5.494814, 3.5657988,
+                              0.66265094]]]]).astype(np.float32)
 
     net = Grad(MinimumNet())
     output_ms = net(Tensor(x1_np), Tensor(x2_np), Tensor(dy_np))
diff --git a/tests/st/ops/gpu/test_reduce_sum_op.py b/tests/st/ops/gpu/test_reduce_sum_op.py
index 94a9ea3de2e..6c16235a804 100644
--- a/tests/st/ops/gpu/test_reduce_sum_op.py
+++ b/tests/st/ops/gpu/test_reduce_sum_op.py
@@ -182,88 +182,88 @@ def test_ReduceSum():
     diff0 = abs(output[0].asnumpy() - expect0)
     error0 = np.ones(shape=expect0.shape) * 1.0e-5
     assert np.all(diff0 < error0)
-    assert (output[0].shape() == expect0.shape)
+    assert output[0].shape() == expect0.shape
 
     expect1 = np.sum(x1, axis=axis1, keepdims=keep_dims1)
     diff1 = abs(output[1].asnumpy() - expect1)
     error1 = np.ones(shape=expect1.shape) * 1.0e-5
     assert np.all(diff1 < error1)
-    assert (output[1].shape() == expect1.shape)
+    assert output[1].shape() == expect1.shape
 
     expect2 = np.sum(x2, axis=axis2, keepdims=keep_dims2)
     diff2 = abs(output[2].asnumpy() - expect2)
     error2 = np.ones(shape=expect2.shape) * 1.0e-5
     assert np.all(diff2 < error2)
-    assert (output[2].shape() == expect2.shape)
+    assert output[2].shape() == expect2.shape
 
     expect3 = np.sum(x3, axis=axis3, keepdims=keep_dims3)
     diff3 = abs(output[3].asnumpy() - expect3)
     error3 = np.ones(shape=expect3.shape) * 1.0e-5
     assert np.all(diff3 < error3)
-    assert (output[3].shape() == expect3.shape)
+    assert output[3].shape() == expect3.shape
 
     expect4 = np.sum(x4, axis=np_axis4, keepdims=keep_dims4)
     diff4 = abs(output[4].asnumpy() - expect4)
     error4 = np.ones(shape=expect4.shape) * 1.0e-5
     assert np.all(diff4 < error4)
-    assert (output[4].shape() == expect4.shape)
+    assert output[4].shape() == expect4.shape
 
     expect5 = np.sum(x5, axis=np_axis5, keepdims=keep_dims5)
     diff5 = abs(output[5].asnumpy() - expect5)
     error5 = np.ones(shape=expect5.shape) * 1.0e-5
     assert np.all(diff5 < error5)
-    assert (output[5].shape() == expect5.shape)
+    assert output[5].shape() == expect5.shape
 
     expect6 = np.sum(x6, axis=axis6, keepdims=keep_dims6)
     diff6 = abs(output[6].asnumpy() - expect6)
     error6 = np.ones(shape=expect6.shape) * 1.0e-5
     assert np.all(diff6 < error6)
-    assert (output[6].shape() == expect6.shape)
+    assert output[6].shape() == expect6.shape
 
     expect7 = np.sum(x7, axis=axis7, keepdims=keep_dims7)
     diff7 = abs(output[7].asnumpy() - expect7)
     error7 = np.ones(shape=expect7.shape) * 1.0e-5
     assert np.all(diff7 < error7)
-    assert (output[7].shape() == expect7.shape)
+    assert output[7].shape() == expect7.shape
 
     expect8 = np.sum(x8, axis=axis8, keepdims=keep_dims8)
     diff8 = abs(output[8].asnumpy() - expect8)
     error8 = np.ones(shape=expect8.shape) * 1.0e-5
     assert np.all(diff8 < error8)
-    assert (output[8].shape() == expect8.shape)
+    assert output[8].shape() == expect8.shape
 
     expect9 = np.sum(x9, axis=axis9, keepdims=keep_dims9)
     diff9 = abs(output[9].asnumpy() - expect9)
     error9 = np.ones(shape=expect9.shape) * 1.0e-5
     assert np.all(diff9 < error9)
-    assert (output[9].shape() == expect9.shape)
+    assert output[9].shape() == expect9.shape
 
     expect10 = np.sum(x10, axis=axis10, keepdims=keep_dims10)
     diff10 = abs(output[10].asnumpy() - expect10)
     error10 = np.ones(shape=expect10.shape) * 1.0e-5
     assert np.all(diff10 < error10)
-    assert (output[10].shape() == expect10.shape)
+    assert output[10].shape() == expect10.shape
 
     expect11 = np.sum(x11, axis=axis11, keepdims=keep_dims11)
     diff11 = abs(output[11].asnumpy() - expect11)
     error11 = np.ones(shape=expect11.shape) * 1.0e-5
     assert np.all(diff11 < error11)
-    assert (output[11].shape() == expect11.shape)
+    assert output[11].shape() == expect11.shape
 
     expect12 = np.sum(x12, axis=axis12, keepdims=keep_dims12)
     diff12 = abs(output[12].asnumpy() - expect12)
     error12 = np.ones(shape=expect12.shape) * 1.0e-5
     assert np.all(diff12 < error12)
-    assert (output[12].shape() == expect12.shape)
+    assert output[12].shape() == expect12.shape
 
     expect13 = np.sum(x13, axis=axis13, keepdims=keep_dims13)
     diff13 = abs(output[13].asnumpy() - expect13)
     error13 = np.ones(shape=expect13.shape) * 1.0e-5
     assert np.all(diff13 < error13)
-    assert (output[13].shape() == expect13.shape)
+    assert output[13].shape() == expect13.shape
 
     expect14 = np.sum(x14, axis=np_axis14, keepdims=keep_dims14)
     diff14 = abs(output[14].asnumpy() - expect14)
     error14 = np.ones(shape=expect14.shape) * 1.0e-5
     assert np.all(diff14 < error14)
-    assert (output[14].shape() == expect14.shape)
+    assert output[14].shape() == expect14.shape
diff --git a/tests/st/ops/gpu/test_relu_grad_op.py b/tests/st/ops/gpu/test_relu_grad_op.py
index 5fb1fb6ad0b..c63e4920386 100644
--- a/tests/st/ops/gpu/test_relu_grad_op.py
+++ b/tests/st/ops/gpu/test_relu_grad_op.py
@@ -19,7 +19,6 @@ import pytest
 import mindspore.context as context
 import mindspore.nn as nn
 from mindspore import Tensor
-from mindspore.ops import operations as P
 from mindspore.ops.operations import _grad_ops as G
 
 
@@ -42,7 +41,7 @@ def test_relu_grad():
     dy = Tensor(np.array([[[[1, 0, 1],
                             [0, 1, 0],
                             [1, 1, 1]]]]).astype(np.float32))
-    expect = np.array([[[[0, 0, 1, ], [0, 0, 0, ], [1, 1, 0.]]]]).astype(np.float32)
+    expect = np.array([[[[0, 0, 1,], [0, 0, 0,], [1, 1, 0.]]]]).astype(np.float32)
     error = np.ones(shape=[3, 3]) * 1.0e-6
 
     context.set_context(mode=context.GRAPH_MODE, device_target="GPU")
diff --git a/tests/st/ops/gpu/test_softmax_cross_entropy_with_logits_op.py b/tests/st/ops/gpu/test_softmax_cross_entropy_with_logits_op.py
index 8fd70b8172e..f8d3ec0e8b3 100644
--- a/tests/st/ops/gpu/test_softmax_cross_entropy_with_logits_op.py
+++ b/tests/st/ops/gpu/test_softmax_cross_entropy_with_logits_op.py
@@ -20,6 +20,7 @@ import mindspore.context as context
 import mindspore.nn as nn
 from mindspore import Tensor
 
+
 class NetSoftmaxCrossEntropyWithLogits(nn.Cell):
     def __init__(self):
         super(NetSoftmaxCrossEntropyWithLogits, self).__init__()
diff --git a/tests/st/ops/gpu/test_sparse_softmax_cross_entropy_with_logits_op.py b/tests/st/ops/gpu/test_sparse_softmax_cross_entropy_with_logits_op.py
index df4b6924103..d18eeeb0ad5 100644
--- a/tests/st/ops/gpu/test_sparse_softmax_cross_entropy_with_logits_op.py
+++ b/tests/st/ops/gpu/test_sparse_softmax_cross_entropy_with_logits_op.py
@@ -20,6 +20,7 @@ import mindspore.context as context
 import mindspore.nn as nn
 from mindspore import Tensor
 
+
 class NetSparseSoftmaxCrossEntropyWithLogits(nn.Cell):
     def __init__(self):
         super(NetSparseSoftmaxCrossEntropyWithLogits, self).__init__()
diff --git a/tests/st/ops/test_rmsprop.py b/tests/st/ops/test_rmsprop.py
index 7f48aa6335a..d0b65d627f1 100644
--- a/tests/st/ops/test_rmsprop.py
+++ b/tests/st/ops/test_rmsprop.py
@@ -36,8 +36,7 @@ class NetRMSProp(nn.Cell):
     def construct(self, var, g, mg, rms, mom, lr, decay, momentum, epsilon):
         if self.use_centered:
             return self.rms_opt(var, mg, rms, mom, g, lr, decay, momentum, epsilon)
-        else:
-            return self.rms_opt(var, rms, mom, lr, g, decay, momentum, epsilon)
+        return self.rms_opt(var, rms, mom, lr, g, decay, momentum, epsilon)
 
 
 def rmsprop_numpy(variable, gradients, mean_square, moment,
diff --git a/tests/ut/python/ops/test_array_ops.py b/tests/ut/python/ops/test_array_ops.py
index 2328bdfc834..3ade4b983d8 100644
--- a/tests/ut/python/ops/test_array_ops.py
+++ b/tests/ut/python/ops/test_array_ops.py
@@ -26,7 +26,8 @@ from mindspore.common import dtype as mstype
 from mindspore.nn import Cell
 from mindspore.ops import operations as P
 from mindspore.ops import prim_attr_register
-from mindspore.ops.primitive import Primitive, PrimitiveWithInfer
+from mindspore.ops.primitive import PrimitiveWithInfer
+import mindspore.context as context
 from ..ut_filter import non_graph_engine
 from ....mindspore_test_framework.mindspore_test import mindspore_test
 from ....mindspore_test_framework.pipeline.forward.compile_forward \
@@ -305,8 +306,6 @@ test_exec_case = functools.reduce(lambda x, y: x + y, test_case_lists)
 # pytest tests/python/ops/test_ops.py::test_backward -k LayerNorm
 
 
-import mindspore.context as context
-
 
 @non_graph_engine
 @mindspore_test(pipeline_for_compile_forward_ge_graph_for_case_by_case_config)
diff --git a/tests/ut/python/ops/test_array_ops_check.py b/tests/ut/python/ops/test_array_ops_check.py
index 015b6b03c07..d28beff0efa 100755
--- a/tests/ut/python/ops/test_array_ops_check.py
+++ b/tests/ut/python/ops/test_array_ops_check.py
@@ -13,26 +13,15 @@
 # limitations under the License.
 # ============================================================================
 """ test ops """
-import functools
 import numpy as np
 
 import mindspore.nn as nn
-import mindspore.ops.composite as C
 from mindspore import Tensor
-from mindspore import ops
 from mindspore.common import dtype as mstype
-from mindspore.common.api import _executor
-from mindspore.common.parameter import Parameter
-from mindspore.ops import functional as F
 from mindspore.ops import operations as P
-from mindspore.ops.operations import _grad_ops as G
-from ..ut_filter import non_graph_engine
 from ....mindspore_test_framework.mindspore_test import mindspore_test
 from ....mindspore_test_framework.pipeline.forward.compile_forward \
-    import (pipeline_for_compile_forward_ge_graph_for_case_by_case_config,
-            pipeline_for_compile_forward_ge_graph_for_case_by_case_config_exception)
-from ....mindspore_test_framework.pipeline.gradient.compile_gradient \
-    import pipeline_for_compile_grad_ge_graph_for_case_by_case_config
+    import pipeline_for_compile_forward_ge_graph_for_case_by_case_config_exception
 
 
 class ExpandDimsNet(nn.Cell):
diff --git a/tests/ut/python/ops/test_bprop_disorder.py b/tests/ut/python/ops/test_bprop_disorder.py
index 0760d9f2bb7..fc0a7ca7e54 100644
--- a/tests/ut/python/ops/test_bprop_disorder.py
+++ b/tests/ut/python/ops/test_bprop_disorder.py
@@ -17,6 +17,7 @@ import functools
 import numpy as np
 
 import mindspore.nn as nn
+import mindspore.context as context
 from mindspore import Tensor, Parameter
 from mindspore.common.parameter import ParameterTuple
 from mindspore.ops import composite as C
@@ -89,8 +90,6 @@ test_exec_case = functools.reduce(lambda x, y: x + y, test_case_lists)
 # pytest tests/python/ops/test_ops.py::test_backward -k LayerNorm
 
 
-import mindspore.context as context
-
 
 @non_graph_engine
 @mindspore_test(pipeline_for_compile_forward_ge_graph_for_case_by_case_config)
diff --git a/tests/ut/python/ops/test_control_ops.py b/tests/ut/python/ops/test_control_ops.py
index 1e154576168..0e965b6fb31 100644
--- a/tests/ut/python/ops/test_control_ops.py
+++ b/tests/ut/python/ops/test_control_ops.py
@@ -42,10 +42,10 @@ def cond_data_test(x_init, y_init):
 
         def construct(self, x, y):
             cond = self.less(x, y)
-            st1, sf1 = self.switch(x, cond)
-            st2, sf2 = self.switch(y, cond)
+            st1, _ = self.switch(x, cond)
+            st2, _ = self.switch(y, cond)
             add_ret = self.add(st1, st2)
-            st3, sf3 = self.switch(self.value, cond)
+            _, sf3 = self.switch(self.value, cond)
             sq_ret = self.square(sf3)
             ret = self.merge((add_ret, sq_ret))
             return ret[0]
@@ -125,7 +125,7 @@ def test_if_str_is_not_none_right():
             self.z = z
 
         def construct(self, x, y):
-            if self.z == None:
+            if self.z is None:
                 ret = x
             else:
                 ret = y
@@ -146,7 +146,7 @@ def test_if_str_is_not_none_left():
             self.z = z
 
         def construct(self, x, y):
-            if None == self.z:
+            if self.z is None:
                 ret = x
             else:
                 ret = y
@@ -167,7 +167,7 @@ def test_if_none_equal_none():
             self.z = z
 
         def construct(self, x, y):
-            if self.z == None:
+            if self.z is None:
                 ret = x
             else:
                 ret = y
diff --git a/tests/ut/python/ops/test_list.py b/tests/ut/python/ops/test_list.py
index 35ff469a31c..f5f919b998b 100644
--- a/tests/ut/python/ops/test_list.py
+++ b/tests/ut/python/ops/test_list.py
@@ -16,6 +16,7 @@ import functools
 import numpy as np
 
 import mindspore.nn as nn
+import mindspore.context as context
 from mindspore import Tensor
 from mindspore.ops import operations as P
 from ..ut_filter import non_graph_engine
@@ -132,7 +133,7 @@ def test_list_append_2():
 
 
 class ListOperate(nn.Cell):
-    def __init__(self, ):
+    def __init__(self,):
         super(ListOperate, self).__init__()
 
     def construct(self, t, l):
@@ -211,9 +212,6 @@ test_exec_case = functools.reduce(lambda x, y: x + y, test_case_lists)
 # pytest tests/python/ops/test_ops.py::test_backward -k LayerNorm
 
 
-import mindspore.context as context
-
-
 @non_graph_engine
 @mindspore_test(pipeline_for_compile_forward_ge_graph_for_case_by_case_config)
 def test_exec():
diff --git a/tests/ut/python/ops/test_math_ops.py b/tests/ut/python/ops/test_math_ops.py
index 6f500c45f77..d1830e93c1b 100755
--- a/tests/ut/python/ops/test_math_ops.py
+++ b/tests/ut/python/ops/test_math_ops.py
@@ -22,9 +22,7 @@ import mindspore.context as context
 import mindspore.nn as nn
 from mindspore import Tensor
 from mindspore.common import dtype as mstype
-from mindspore.common.api import _executor
 from mindspore.ops import composite as C
-from mindspore.ops import functional as F
 from mindspore.ops import operations as P
 from mindspore.ops import prim_attr_register, PrimitiveWithInfer
 from ..ut_filter import non_graph_engine
@@ -306,8 +304,8 @@ class NetWithLossCumSum(nn.Cell):
         self.loss = VirtualLoss()
         self.network = network
 
-    def construct(self, input):
-        predict = self.network(input)
+    def construct(self, input_):
+        predict = self.network(input_)
         return self.loss(predict)
 
 
@@ -318,8 +316,8 @@ class GradWrapCumSum(nn.Cell):
         super(GradWrapCumSum, self).__init__()
         self.network = network
 
-    def construct(self, input):
-        return C.grad(self.network)(input)
+    def construct(self, input_):
+        return C.grad(self.network)(input_)
 
 
 class NetCumSum(nn.Cell):
@@ -330,8 +328,8 @@ class NetCumSum(nn.Cell):
         self.cumsum = P.CumSum()
         self.axis = 1
 
-    def construct(self, input):
-        return self.cumsum(input, self.axis)
+    def construct(self, input_):
+        return self.cumsum(input_, self.axis)
 
 
 class SignNet(nn.Cell):
@@ -444,9 +442,6 @@ test_exec_case = functools.reduce(lambda x, y: x + y, test_case_lists)
 # pytest tests/python/ops/test_ops.py::test_backward -k LayerNorm
 
 
-import mindspore.context as context
-
-
 @non_graph_engine
 @mindspore_test(pipeline_for_compile_forward_ge_graph_for_case_by_case_config)
 def test_exec():
diff --git a/tests/ut/python/ops/test_math_ops_check.py b/tests/ut/python/ops/test_math_ops_check.py
index 14bbe493bda..1c4ab8c76d8 100755
--- a/tests/ut/python/ops/test_math_ops_check.py
+++ b/tests/ut/python/ops/test_math_ops_check.py
@@ -13,26 +13,16 @@
 # limitations under the License.
 # ============================================================================
 """ test ops """
-import functools
 import numpy as np
 
 import mindspore.nn as nn
-import mindspore.ops.composite as C
 from mindspore import Tensor
-from mindspore import ops
 from mindspore.common import dtype as mstype
-from mindspore.common.api import _executor
 from mindspore.common.parameter import Parameter
-from mindspore.ops import functional as F
 from mindspore.ops import operations as P
-from mindspore.ops.operations import _grad_ops as G
-from ..ut_filter import non_graph_engine
 from ....mindspore_test_framework.mindspore_test import mindspore_test
 from ....mindspore_test_framework.pipeline.forward.compile_forward \
-    import (pipeline_for_compile_forward_ge_graph_for_case_by_case_config,
-            pipeline_for_compile_forward_ge_graph_for_case_by_case_config_exception)
-from ....mindspore_test_framework.pipeline.gradient.compile_gradient \
-    import pipeline_for_compile_grad_ge_graph_for_case_by_case_config
+    import pipeline_for_compile_forward_ge_graph_for_case_by_case_config_exception
 
 
 class AssignAddNet(nn.Cell):
diff --git a/tests/ut/python/ops/test_momentum.py b/tests/ut/python/ops/test_momentum.py
index e6aeaab8ce9..8889feb4fbd 100644
--- a/tests/ut/python/ops/test_momentum.py
+++ b/tests/ut/python/ops/test_momentum.py
@@ -17,6 +17,7 @@ import functools
 import numpy as np
 
 import mindspore.nn as nn
+import mindspore.context as context
 from mindspore import Parameter, ParameterTuple, Tensor
 from mindspore.ops import composite as C
 from mindspore.ops import functional as F
@@ -126,8 +127,6 @@ test_exec_case = functools.reduce(lambda x, y: x + y, test_case_lists)
 # pytest tests/python/ops/test_ops.py::test_backward -k LayerNorm
 
 
-import mindspore.context as context
-
 
 @non_graph_engine
 @mindspore_test(pipeline_for_compile_forward_ge_graph_for_case_by_case_config)
diff --git a/tests/ut/python/ops/test_multitype_ops.py b/tests/ut/python/ops/test_multitype_ops.py
index eecdf359be9..54997486e99 100644
--- a/tests/ut/python/ops/test_multitype_ops.py
+++ b/tests/ut/python/ops/test_multitype_ops.py
@@ -17,6 +17,7 @@ import numpy as np
 from functools import partial, reduce
 
 import mindspore.nn as nn
+import mindspore.context as context
 from mindspore import Tensor
 from mindspore.ops import functional as F, composite as C
 from ..ut_filter import non_graph_engine
@@ -28,7 +29,7 @@ from ....mindspore_test_framework.pipeline.forward.compile_forward \
 class ScalarAddScalar(nn.Cell):
     """ ScalarAddScalar definition """
 
-    def __init__(self, ):
+    def __init__(self,):
         super(ScalarAddScalar, self).__init__()
         self.n1 = 1.2
         self.n2 = 1.3
@@ -40,7 +41,7 @@ class ScalarAddScalar(nn.Cell):
 class ScalarAddTensor1(nn.Cell):
     """ ScalarAddTensor1 definition """
 
-    def __init__(self, ):
+    def __init__(self,):
         super(ScalarAddTensor1, self).__init__()
         self.t1 = Tensor(np.ones([2, 1, 2, 2], np.float32))
         self.n1 = 1.2
@@ -53,7 +54,7 @@ class ScalarAddTensor1(nn.Cell):
 class ScalarAddTensor2(nn.Cell):
     """ ScalarAddTensor2 definition """
 
-    def __init__(self, ):
+    def __init__(self,):
         super(ScalarAddTensor2, self).__init__()
         self.t1 = Tensor(np.ones([2, 1, 2, 2], np.float32))
         self.n1 = 1.2
@@ -66,7 +67,7 @@ class ScalarAddTensor2(nn.Cell):
 class TensorAddScalar(nn.Cell):
     """ TensorAddScalar definition """
 
-    def __init__(self, ):
+    def __init__(self,):
         super(TensorAddScalar, self).__init__()
         self.t1 = Tensor(np.ones([2, 1, 2, 2], np.float32))
         self.n1 = 1.2
@@ -78,7 +79,7 @@ class TensorAddScalar(nn.Cell):
 class ScalarTensorSub(nn.Cell):
     """ ScalarTensorSub definition """
 
-    def __init__(self, ):
+    def __init__(self,):
         super(ScalarTensorSub, self).__init__()
         self.t1 = Tensor(np.ones([2, 1, 2, 2], np.float32))
         self.n1 = 2.1
@@ -94,7 +95,7 @@ class ScalarTensorSub(nn.Cell):
 class ScalarTensorMul(nn.Cell):
     """ ScalarTensorMul definition """
 
-    def __init__(self, ):
+    def __init__(self,):
         super(ScalarTensorMul, self).__init__()
         self.t1 = Tensor(np.ones([2, 1, 2, 2], np.float32))
         self.n1 = 2.1
@@ -110,7 +111,7 @@ class ScalarTensorMul(nn.Cell):
 class ScalarTensorDiv(nn.Cell):
     """ ScalarTensorDiv definition """
 
-    def __init__(self, ):
+    def __init__(self,):
         super(ScalarTensorDiv, self).__init__()
         self.t1 = Tensor(np.ones([2, 1, 2, 2], np.float32))
         self.n1 = 2.1
@@ -132,8 +133,7 @@ class EqualClass(nn.Cell):
     def construct(self):
         if self.n1 == self.n2:
             return self.n1
-        else:
-            return self.n2
+        return self.n2
 
 
 grad_scale = C.MultitypeFuncGraph("grad_scale")
@@ -151,7 +151,7 @@ class MapPartialNet(nn.Cell):
     def __init__(self):
         super(MapPartialNet, self).__init__()
         self.reciprocal_scale = 1.2
-        self.x1 = Tensor(np.ones([2, 1, 2, ], np.float32))
+        self.x1 = Tensor(np.ones([2, 1, 2,], np.float32))
         self.x2 = Tensor(np.ones([2, 1, 2, 2], np.float32))
 
     def construct(self, x, y):
@@ -188,7 +188,7 @@ class UnZipNet(nn.Cell):
 
 
 class ScalarTensorOp2Cast(nn.Cell):
-    def __init__(self, ):
+    def __init__(self,):
         super(ScalarTensorOp2Cast, self).__init__()
         self.f = 1.2
         self.t = Tensor(np.ones([2, 1, 2, 2], np.float16))
@@ -285,8 +285,6 @@ test_exec_case = reduce(lambda x, y: x + y, test_case_lists)
 # pytest tests/python/ops/test_ops.py::test_backward -k LayerNorm
 
 
-import mindspore.context as context
-
 
 @non_graph_engine
 @mindspore_test(pipeline_for_compile_forward_ge_graph_for_case_by_case_config)
diff --git a/tests/ut/python/ops/test_nn_ops.py b/tests/ut/python/ops/test_nn_ops.py
index 8f3fae1d71a..1216944fafc 100644
--- a/tests/ut/python/ops/test_nn_ops.py
+++ b/tests/ut/python/ops/test_nn_ops.py
@@ -13,7 +13,6 @@
 # limitations under the License.
 # ============================================================================
 """ test nn ops """
-import functools
 import numpy as np
 
 import mindspore
diff --git a/tests/ut/python/ops/test_nn_ops_check.py b/tests/ut/python/ops/test_nn_ops_check.py
index e52af518593..9a8b4278610 100755
--- a/tests/ut/python/ops/test_nn_ops_check.py
+++ b/tests/ut/python/ops/test_nn_ops_check.py
@@ -13,26 +13,15 @@
 # limitations under the License.
 # ============================================================================
 """ test ops """
-import functools
 import numpy as np
 
 import mindspore.nn as nn
 from mindspore import Tensor
-from mindspore import ops
-from mindspore.common import dtype as mstype
-from mindspore.common.api import _executor
-from mindspore.common.parameter import Parameter
-from mindspore.ops import composite as C
 from mindspore.ops import functional as F
 from mindspore.ops import operations as P
-from mindspore.ops.operations import _grad_ops as G
-from ..ut_filter import non_graph_engine
 from ....mindspore_test_framework.mindspore_test import mindspore_test
 from ....mindspore_test_framework.pipeline.forward.compile_forward \
-    import (pipeline_for_compile_forward_ge_graph_for_case_by_case_config,
-            pipeline_for_compile_forward_ge_graph_for_case_by_case_config_exception)
-from ....mindspore_test_framework.pipeline.gradient.compile_gradient \
-    import pipeline_for_compile_grad_ge_graph_for_case_by_case_config
+    import pipeline_for_compile_forward_ge_graph_for_case_by_case_config_exception
 
 
 class Conv2DBackpropInputNet(nn.Cell):
diff --git a/tests/ut/python/ops/test_ops.py b/tests/ut/python/ops/test_ops.py
index a884209feb2..25c76033f50 100755
--- a/tests/ut/python/ops/test_ops.py
+++ b/tests/ut/python/ops/test_ops.py
@@ -88,8 +88,8 @@ class NetForPackInput(nn.Cell):
 
     def construct(self, *args):
         t = ()
-        for i in range(len(args)):
-            t = t + (self.mul(args[i], args[i]),)
+        for element in args:
+            t = t + (self.mul(element, element),)
         return self.op(t)
 
 
@@ -136,8 +136,8 @@ class ArgmaxNet(nn.Cell):
         super(ArgmaxNet, self).__init__()
         self.argmax = P.Argmax(axis=1)
 
-    def construct(self, input):
-        return self.argmax(input)
+    def construct(self, input_):
+        return self.argmax(input_)
 
 
 class ArgminNet(nn.Cell):
@@ -145,8 +145,8 @@ class ArgminNet(nn.Cell):
         super(ArgminNet, self).__init__()
         self.argmin = P.Argmin(axis=1)
 
-    def construct(self, input):
-        return self.argmin(input)
+    def construct(self, input_):
+        return self.argmin(input_)
 
 
 class CumSumNet(nn.Cell):
@@ -155,8 +155,8 @@ class CumSumNet(nn.Cell):
         self.cumsum = P.CumSum()
         self.axis = 1
 
-    def construct(self, input):
-        return self.cumsum(input, self.axis)
+    def construct(self, input_):
+        return self.cumsum(input_, self.axis)
 
 
 class SummaryNet(nn.Cell):
@@ -1156,7 +1156,7 @@ test_case_array_ops = [
         'desc_inputs': [(Tensor(np.array([1], np.float32)),
                          Tensor(np.array([1], np.float32)),
                          Tensor(np.array([1], np.float32)))],
-        'desc_bprop': [[3, ]]}),
+        'desc_bprop': [[3,]]}),
     ('Pack_0', {
         'block': NetForPackInput(P.Pack()),
         'desc_inputs': [[2, 2], [2, 2], [2, 2]],
@@ -1302,7 +1302,7 @@ test_case = functools.reduce(lambda x, y: x + y, test_case_lists)
 test_exec_case = test_case
 
 test_backward_exec_case = filter(lambda x: 'skip' not in x[1] or
-                                           'backward' not in x[1]['skip'], test_case)
+                                 'backward' not in x[1]['skip'], test_case)
 
 
 @non_graph_engine
diff --git a/tests/ut/python/ops/test_ops_check.py b/tests/ut/python/ops/test_ops_check.py
index 418e54c4c86..6dc4ac6b04b 100644
--- a/tests/ut/python/ops/test_ops_check.py
+++ b/tests/ut/python/ops/test_ops_check.py
@@ -16,8 +16,8 @@
 import functools
 import logging
 import numpy as np
-import pytest
 
+import mindspore.context as context
 from mindspore import Tensor
 from mindspore import nn
 from mindspore.common.api import _executor
@@ -220,8 +220,6 @@ test_exec_case = functools.reduce(lambda x, y: x + y, test_case_lists)
 # pytest tests/python/ops/test_ops.py::test_backward -k LayerNorm
 
 
-import mindspore.context as context
-
 
 @non_graph_engine
 @mindspore_test(pipeline_for_compile_forward_ge_graph_for_case_by_case_config)
diff --git a/tests/ut/python/ops/test_python_operators.py b/tests/ut/python/ops/test_python_operators.py
index cab6fef68c0..dd85c3310c5 100644
--- a/tests/ut/python/ops/test_python_operators.py
+++ b/tests/ut/python/ops/test_python_operators.py
@@ -16,7 +16,6 @@
 import functools
 import numpy as np
 
-import mindspore as ms
 from mindspore import Tensor
 from mindspore import context
 from mindspore import nn
@@ -40,7 +39,7 @@ class ComparisonOpsNet(nn.Cell):
         d = y >= x
         e = x < y
         f = x < 1.0
-        g = 1.0 > y
+        g = y < 1.0
         h = y > x
         i = y == 3.0
         j = x != 4
diff --git a/tests/ut/python/ops/test_tuple.py b/tests/ut/python/ops/test_tuple.py
index 9e6b0b92029..eafaaede916 100644
--- a/tests/ut/python/ops/test_tuple.py
+++ b/tests/ut/python/ops/test_tuple.py
@@ -18,9 +18,7 @@ import numpy as np
 import mindspore.context as context
 import mindspore.nn as nn
 from mindspore import Tensor
-from mindspore import context
 from mindspore import dtype as mstype
-from mindspore.ops import operations as P
 from ..ut_filter import non_graph_engine
 from ....mindspore_test_framework.mindspore_test import mindspore_test
 from ....mindspore_test_framework.pipeline.forward.compile_forward \
diff --git a/tests/ut/python/ops/test_tuple_slice.py b/tests/ut/python/ops/test_tuple_slice.py
index eeb7f382e19..eb21f3f2eb0 100644
--- a/tests/ut/python/ops/test_tuple_slice.py
+++ b/tests/ut/python/ops/test_tuple_slice.py
@@ -14,7 +14,6 @@
 # ============================================================================
 """ test_tuple_slice """
 import numpy as np
-import pytest
 
 import mindspore.ops.operations as P
 from mindspore import Tensor
diff --git a/tests/ut/python/pynative_mode/test_cell_bprop.py b/tests/ut/python/pynative_mode/test_cell_bprop.py
index 041ae9ef047..ce38916f1ba 100644
--- a/tests/ut/python/pynative_mode/test_cell_bprop.py
+++ b/tests/ut/python/pynative_mode/test_cell_bprop.py
@@ -257,7 +257,7 @@ def test_grad_inline_bprop_two_input():
     grads = C.grad_all(net)(input1, input2)
     assert (grads[0].asnumpy() == np.array([2, 2]).astype(np.float32)).all()
     assert (grads[1].asnumpy() == np.array([2, 2]).astype(np.float32)).all()
-    assert (len(grads) == 2)
+    assert len(grads) == 2
 
 
 class TwoInputBprop(nn.Cell):
@@ -317,7 +317,7 @@ def test_grad_inline_bprop_multi_input():
     grads = C.grad_all(net)(input1, input2)
     assert (grads[0].asnumpy() == np.array([[12, 12], [12, 12]]).astype(np.float32)).all()
     assert (grads[1].asnumpy() == np.array([[19, 19], [19, 19]]).astype(np.float32)).all()
-    assert (len(grads) == 2)
+    assert len(grads) == 2
 
 
 class MulAddWithParam(nn.Cell):
diff --git a/tests/ut/python/pynative_mode/test_framstruct.py b/tests/ut/python/pynative_mode/test_framstruct.py
index db7914a2927..bd00073ce65 100644
--- a/tests/ut/python/pynative_mode/test_framstruct.py
+++ b/tests/ut/python/pynative_mode/test_framstruct.py
@@ -476,10 +476,10 @@ def test_foo():
 def double_nested_loop(x):
     i = 0
     s = 0
-    while (i < x):
+    while i < x:
         j = 0
         i = i + 1
-        while (j < 3):
+        while j < 3:
             j = j + 1
             s = s + j
     return s
@@ -859,7 +859,7 @@ def grad_refactor_14(a, b):
         return a * b
 
     def inner3(x):
-        if (x > 2):
+        if x > 2:
             return a
         return b