!43033 python clean code

Merge pull request !43033 from chujinjin/fix_python_clean_code

mindspore/python/mindspore/ops/_grad/grad_clip_ops.py

@@ -15,13 +15,13 @@
 
 
 """Define the grad rules of clip operations."""
-from .grad_base import bprop_getters
-from .. import operations as P
-from ..operations import _inner_ops as inner
-from ..operations import _grad_ops as G
-from ...common import dtype as mstype
-from .._grad.grad_math_ops import _sum_grad
-from .._grad.grad_math_ops import binop_grad_common
+from mindspore.ops._grad.grad_base import bprop_getters
+from mindspore.ops import operations as P
+from mindspore.ops.operations import _inner_ops as inner
+from mindspore.ops.operations import _grad_ops as G
+import mindspore.common.dtype as mstype
+from mindspore.ops._grad.grad_math_ops import _sum_grad
+from mindspore.ops._grad.grad_math_ops import binop_grad_common
 
 
 @bprop_getters.register(inner.ClipByNorm)

mindspore/python/mindspore/ops/composite/base.py

@@ -410,7 +410,7 @@ class GradOperation(GradOperation_):
         """ Pynative forward run to build grad graph. """
         new_kwargs = kwargs
         if self.sens_param:
-            if not 'sens' in kwargs.keys():
+            if 'sens' not in kwargs.keys():
                 args = args[:-1]
             else:
                 new_kwargs = kwargs.copy()

mindspore/python/mindspore/ops/operations/debug_ops.py

@@ -13,6 +13,7 @@
 # limitations under the License.
 # ============================================================================
 """debug_ops"""
+from __future__ import absolute_import
 from types import FunctionType, MethodType
 
 from mindspore import context