diff --git a/mindspore/_extends/parse/standard_method.py b/mindspore/_extends/parse/standard_method.py
index c56153bf093..13f07b9e83f 100644
--- a/mindspore/_extends/parse/standard_method.py
+++ b/mindspore/_extends/parse/standard_method.py
@@ -1454,7 +1454,8 @@ def enumerate_(x, start=0):
     x_type = F.typeof(x)
     ret = ()
     op_name = "enumerate"
-    if check_is_tuple_or_list_or_tensor(x_type, op_name, "first input") and check_is_const_int(start, op_name, "start"):
+    if check_is_tuple_or_list_or_tensor(x_type, op_name, "first input") and \
+            check_is_const_int(start, op_name, "start"):
         if check_is_tensor(x_type):
             for i in range(x.shape[0]):
                 ret += ((start + i, x[i]),)
diff --git a/mindspore/ccsrc/debug/anf_ir_dump.cc b/mindspore/ccsrc/debug/anf_ir_dump.cc
index a9381a18032..eafea370173 100644
--- a/mindspore/ccsrc/debug/anf_ir_dump.cc
+++ b/mindspore/ccsrc/debug/anf_ir_dump.cc
@@ -67,7 +67,7 @@ void PrintNodeOutputType(std::ostringstream &buffer, const AnfNodePtr &nd) {
 
   abstract::ShapePtr shape = dyn_cast<abstract::Shape>(nd->Shape());
   TypePtr type = dyn_cast<Type>(nd->Type());
-  if ((nullptr != shape) && (nullptr != type)) {
+  if ((shape != nullptr) && (type != nullptr)) {
     buffer << "<" << type << "x" << shape->shape() << ">";
   } else if (nullptr != type) {
     buffer << "<" << type << ">";
diff --git a/mindspore/ccsrc/pipeline/jit/pipeline_ge.cc b/mindspore/ccsrc/pipeline/jit/pipeline_ge.cc
index ce06a45197f..82e517d144a 100644
--- a/mindspore/ccsrc/pipeline/jit/pipeline_ge.cc
+++ b/mindspore/ccsrc/pipeline/jit/pipeline_ge.cc
@@ -524,7 +524,7 @@ void ExportDFGraph(const std::string &file_name, const std::string &phase) {
   }
 
   transform::DfGraphPtr ge_graph = wrap_ptr->graph_ptr_;
-  if (nullptr == ge_graph) {
+  if (ge_graph == nullptr) {
     MS_LOG(ERROR) << "Graph is null!";
     return;
   }
diff --git a/mindspore/common/_decorator.py b/mindspore/common/_decorator.py
index f398b915d8b..547687d6980 100644
--- a/mindspore/common/_decorator.py
+++ b/mindspore/common/_decorator.py
@@ -16,6 +16,7 @@
 
 from mindspore import log
 
+
 def deprecated(version, substitute, use_substitute_name=False):
     """deprecated warning
 
diff --git a/mindspore/core/abstract/prim_structures.cc b/mindspore/core/abstract/prim_structures.cc
index c11ab65d600..7c5c73b3fa9 100644
--- a/mindspore/core/abstract/prim_structures.cc
+++ b/mindspore/core/abstract/prim_structures.cc
@@ -202,7 +202,7 @@ AbstractBasePtr InferTupleOrListSetItem(const std::string &op_name, const Abstra
   int64_t idx_t = idx_v >= 0 ? idx_v : idx_v + SizeToLong(nelems);
   if (idx_t < 0 || idx_t >= SizeToLong(nelems)) {
     MS_EXCEPTION(IndexError) << op_name << " evaluator the index: " << idx_v << " to set out of range: [-" << nelems
-                             << "," << nelems - 1 << "].";
+                             << "," << (nelems - 1) << "].";
   }
   size_t uidx_v = LongToSize(idx_t);
   elements[uidx_v] = args_spec_list[2];
diff --git a/mindspore/ops/operations/array_ops.py b/mindspore/ops/operations/array_ops.py
index fe0742ebb14..6f112302e74 100644
--- a/mindspore/ops/operations/array_ops.py
+++ b/mindspore/ops/operations/array_ops.py
@@ -850,7 +850,6 @@ class GatherV2(PrimitiveWithCheck):
     Please use Gather instead.
     """
 
-    # deprecate_new_name = "Gather"
 
     @deprecated("1.1", "Gather", True)
     @prim_attr_register