fix pylint warnings

tests/st/auto_parallel/onehot_model_parallel.py

@@ -13,9 +13,8 @@
 # limitations under the License.
 # ============================================================================
 
-import numpy as np
 import os
-import pytest
+import numpy as np
 
 import mindspore as ms
 import mindspore.communication.management as distributedTool
@@ -58,11 +57,12 @@ class Onehot(Cell):
         self.off_value = Tensor(off_value, ms.float32)
         self.transpose = P.Transpose().set_strategy(strategy=trans_stra)
         self.sub = P.Sub().set_strategy(strategy=((1, 1), (1, 1)))
+        self.axis = axis
 
-    def construct(self, input, indices):
+    def construct(self, input_, indices):
         x = self.onehot(indices, self.depth, self.on_value, self.off_value)
         x = self.transpose(x, (1, 0))
-        x = self.sub(input, x)
+        x = self.sub(input_, x)
         return x
 
 
@@ -100,9 +100,9 @@ class DataGenerator():
 
 class OneHotFactory:
     def __init__(self, batch_size, classes, on_value=1.0, off_value=0.0, axis=None, strategy=None):
-        dataGen = DataGenerator()
+        data_gen = DataGenerator()
-        self.input_full, self.input_part = dataGen.input_data((classes, batch_size))
+        self.input_full, self.input_part = data_gen.input_data((classes, batch_size))
-        self.label_full, self.label_part = dataGen.label_data((batch_size,), classes)
+        self.label_full, self.label_part = data_gen.label_data((batch_size,), classes)
         self.depth = classes
         self.on_value = on_value
         self.off_value = off_value

tests/st/auto_parallel/soft_entropy_loss_expand_parallel.py

@@ -13,23 +13,21 @@
 # limitations under the License.
 # ============================================================================
 
-import numpy as np
 import os
-import pytest
+import numpy as np
 from numpy import allclose
 
 import mindspore as ms
 import mindspore.communication.management as distributedTool
 from mindspore import context
 from mindspore.common import dtype as mstype
-from mindspore.common.parameter import ParameterTuple, Parameter
+from mindspore.common.parameter import Parameter
 from mindspore.common.tensor import Tensor
 from mindspore.nn import Cell
 from mindspore.nn.optim.momentum import Momentum
-from mindspore.ops import composite as C
 from mindspore.ops import functional as F
 from mindspore.ops import operations as P
-from mindspore.train import Model, ParallelMode
+from mindspore.train import Model
 from mindspore.train.callback import Callback
 
 np.set_printoptions(threshold=np.inf)
@@ -86,8 +84,8 @@ class DataGenerator():
         datas = self.get_parallel_blocks(data, stra)
         return Tensor(data), Tensor(datas[rank_id])
 
-    def label_data(self, shape, embed):
+    def label_data(self, shape, embed_):
-        data = (self.generate_data(shape) * (embed - 1)).astype(np.int32)
+        data = (self.generate_data(shape) * (embed_ - 1)).astype(np.int32)
         stra = [1] * len(shape)
         stra[0] = device_num
         datas = self.get_parallel_blocks(data, stra)
@@ -110,9 +108,8 @@ class Dataset():
             raise StopIteration
         self.index += 1
         if self.input_num == 2:
-            return self.predict, self.label
+            return (self.predict, self.label)
-        else:
+        return (self.predict,)
-            return self.predict,
 
     def reset(self):
         self.index = 0
@@ -129,15 +126,17 @@ class ModelCallback(Callback):
         super(ModelCallback, self).__init__()
         self.loss_list = []
 
-    def epoch_end(self, run_context, *args):
+    def epoch_end(self, run_context):
         cb_params = run_context.original_args()
         result = cb_params.net_outputs
         self.loss_list.append(result.asnumpy().mean())
 
 
 class SoftmaxCrossEntropyExpand(Cell):
-    def __init__(self, sparse=False, stra_list=[]):
+    def __init__(self, sparse=False, stra_list=None):
         super(SoftmaxCrossEntropyExpand, self).__init__()
+        if stra_list is None:
+            stra_list = []
         if len(stra_list) < 11:
             stra_list = [None] * 11
         self.exp = P.Exp()
@@ -171,8 +170,10 @@ class SoftmaxCrossEntropyExpand(Cell):
 
 
 class MatmulNet(Cell):
-    def __init__(self, matmul_stra=None, loss_stra_list=[]):
+    def __init__(self, matmul_stra=None, loss_stra_list=None):
         super(MatmulNet, self).__init__()
+        if loss_stra_list is None:
+            loss_stra_list = []
         self.matmul = P.MatMul(transpose_b=True).set_strategy(strategy=matmul_stra)
         self.loss = SoftmaxCrossEntropyExpand(sparse=True, stra_list=loss_stra_list)
         self.weight = Parameter(Tensor(np.ones(MatmulParamShape), dtype=ms.float32), name="weight")
@@ -185,9 +186,9 @@ class MatmulNet(Cell):
 
 class LossFactory():
     def __init__(self):
-        dataGen = DataGenerator()
+        data_gen = DataGenerator()
-        self.input_full, self.input_part = dataGen.input_data((batch_size, embed))
+        self.input_full, self.input_part = data_gen.input_data((batch_size, embed))
-        self.label_full, self.label_part = dataGen.label_data((batch_size,), embed)
+        self.label_full, self.label_part = data_gen.label_data((batch_size,), embed)
 
     def single_matmul_trains(self):
         single_callback = ModelCallback()

tests/st/auto_parallel/test_expand_loss.py

@@ -23,4 +23,4 @@ import pytest
 def test_expand_loss():
     sh_path = os.path.split(os.path.realpath(__file__))[0]
     ret = os.system(f"sh {sh_path}/run_auto_parallel_loss_expand.sh")
-    assert (ret == 0)
+    assert ret == 0

tests/st/auto_parallel/test_model_parallel_onehot.py

@@ -14,9 +14,8 @@
 # ============================================================================
 
 import os
-import pytest
 
 
 def test_expand_loss():
     ret = os.system("sh run_onehot_model_parallel.sh")
-    assert (ret == 0)
+    assert ret == 0

tests/st/auto_parallel/test_resnet50_expand_loss_2p.py

@@ -13,8 +13,8 @@
 # limitations under the License.
 # ============================================================================
 
-import numpy as np
 import os
+import numpy as np
 import pytest
 
 import mindspore.common.dtype as mstype
@@ -37,31 +37,29 @@ init()
 context.set_auto_parallel_context(mirror_mean=True, parallel_mode=ParallelMode.AUTO_PARALLEL)
 
 
-def weight_variable(shape, factor=0.1):
+def weight_variable():
     return One()
 
 
 def _conv3x3(in_channels, out_channels, stride=1, padding=0, pad_mode='same'):
-    init_value = weight_variable((out_channels, in_channels, 3, 3))
+    init_value = weight_variable()
     return nn.Conv2d(in_channels, out_channels,
                      kernel_size=3, stride=stride, padding=padding, pad_mode=pad_mode, weight_init=init_value)
 
 
 def _conv1x1(in_channels, out_channels, stride=1, padding=0, pad_mode='same'):
-    init_value = weight_variable((out_channels, in_channels, 1, 1))
+    init_value = weight_variable()
     return nn.Conv2d(in_channels, out_channels,
                      kernel_size=1, stride=stride, padding=padding, pad_mode=pad_mode, weight_init=init_value)
 
 
 def _conv7x7(in_channels, out_channels, stride=1, padding=0, pad_mode='same'):
-    init_value = weight_variable((out_channels, in_channels, 7, 7))
+    init_value = weight_variable()
     return nn.Conv2d(in_channels, out_channels,
                      kernel_size=7, stride=stride, padding=padding, pad_mode=pad_mode, weight_init=init_value)
 
 
 def _fused_bn(channels, momentum=0.9):
-    init_weight = weight_variable((channels,))
-    init_bias = weight_variable((channels,))
     return nn.BatchNorm2d(channels, momentum=momentum)
 
 
@@ -210,8 +208,8 @@ class ResNet(nn.Cell):
 
         self.mean = P.ReduceMean(keep_dims=True)
         self.end_point = nn.Dense(2048, num_classes, has_bias=True,
-                                  weight_init=weight_variable((num_classes, 2048)),
+                                  weight_init=weight_variable(),
-                                  bias_init=weight_variable((num_classes,)))
+                                  bias_init=weight_variable())
         self.squeeze = P.Squeeze()
         self.cast = P.Cast()
 
@@ -345,9 +343,8 @@ class Dataset():
             raise StopIteration
         self.index += 1
         if self.input_num == 2:
-            return self.predict, self.label
+            return (self.predict, self.label)
-        else:
+        return (self.predict,)
-            return self.predict,
 
     def reset(self):
         self.index = 0
@@ -364,7 +361,7 @@ class ModelCallback(Callback):
         super(ModelCallback, self).__init__()
         self.loss_list = []
 
-    def epoch_end(self, run_context, *args):
+    def epoch_end(self, run_context):
         cb_params = run_context.original_args()
         result = cb_params.net_outputs
         self.loss_list.append(result.asnumpy().mean())
@@ -376,9 +373,9 @@ class ModelCallback(Callback):
 def test_train_feed(num_classes=8192):
     set_algo_parameters(elementwise_op_strategy_follow=True)
     parallel_callback = ModelCallback()
-    dataGen = DataGenerator()
+    data_gen = DataGenerator()
-    input_full, input_part = dataGen.input_data((32 * 2, 3, 224, 224))
+    _, input_part = data_gen.input_data((32 * 2, 3, 224, 224))
-    label_full, label_part = dataGen.label_data((32 * 2,))
+    _, label_part = data_gen.label_data((32 * 2,))
     dataset = Dataset(input_part, label_part)
     net = resnet50(num_classes)
     loss = SoftmaxCrossEntropyExpand(sparse=True)
@@ -396,9 +393,9 @@ def test_train_feed(num_classes=8192):
 def test_train_feed2(num_classes=1001):
     set_algo_parameters(elementwise_op_strategy_follow=True)
     parallel_callback = ModelCallback()
-    dataGen = DataGenerator()
+    data_gen = DataGenerator()
-    input_full, input_part = dataGen.input_data((32 * 2, 3, 224, 224))
+    _, input_part = data_gen.input_data((32 * 2, 3, 224, 224))
-    label_full, label_part = dataGen.label_data((32 * 2,))
+    _, label_part = data_gen.label_data((32 * 2,))
     dataset = Dataset(input_part, label_part)
     net = resnet50(num_classes)
     loss = SoftmaxCrossEntropyExpand(sparse=True)

tests/ut/python/communication/test_comm.py

@@ -25,7 +25,6 @@ from mindspore.nn import Dense
 from mindspore.nn import Momentum
 from mindspore.nn import ReLU
 from mindspore.nn import TrainOneStepCell, WithLossCell
-from mindspore.ops.operations import Split
 from mindspore.ops.operations.comm_ops import AllReduce, AllGather, _AlltoAll, ReduceOp, ReduceScatter
 from mindspore.ops.operations.comm_ops import Broadcast
 

tests/ut/python/communication/test_data_parallel_lenet.py

@@ -16,8 +16,8 @@
 @File   : test_data_parallel_lenet.py
 @Desc   : test data parallel lenet
 """
-import numpy as np
 import os
+import numpy as np
 
 import mindspore.context as context
 import mindspore.nn as nn
@@ -80,7 +80,6 @@ def test_lenet5_train_step_training_pynative():
     context.reset_auto_parallel_context()
     context.set_auto_parallel_context(parallel_mode=ParallelMode.DATA_PARALLEL,
                                       device_num=8, mirror_mean=True)
-    size = 3
     predict = Tensor(np.ones([1, 1, 32, 32]).astype(np.float32) * 0.01)
     label = Tensor(np.zeros([1, 10]).astype(np.float32))
     DatasetLenet(predict, label, 2)

tests/ut/python/parallel/__init__.py

@@ -19,7 +19,7 @@ from mindspore.parallel._utils import _reset_op_id
 from mindspore.parallel.algo_parameter_config import reset_algo_parameters
 
 
-def setup_module(module):
+def setup_module():
     auto_parallel_context().set_enable_all_reduce_fusion(enable_all_reduce_fusion=True)
     context.set_context(mode=context.GRAPH_MODE, device_target="Ascend", save_graphs=False)
     reset_cost_model_context()

tests/ut/python/parallel/parallel_end_to_end/add_relu/_test_add_relu_parallel_4p.py

@@ -12,8 +12,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import numpy as np
 import os
+import numpy as np
 import pytest
 
 import mindspore as ms
@@ -155,9 +155,9 @@ class AddReluFactory:
     def grad_cmp(self):
         input_grad_mindspore = self.grad_mindspore_impl()
         input_grad_mindspore_parallel = self.grad_mindspore_parallel_impl()
-        input_grad_mindspore0 = input_grad_mindspore[0].asnumpy()
+        _ = input_grad_mindspore[0].asnumpy()
         input_grad_mindspore1 = input_grad_mindspore[1].asnumpy()
-        input_grad_mindspore_parallel0 = input_grad_mindspore_parallel[0].asnumpy()
+        _ = input_grad_mindspore_parallel[0].asnumpy()
         input_grad_mindspore_parallel1 = input_grad_mindspore_parallel[1].asnumpy()
         assert np.allclose(input_grad_mindspore1, input_grad_mindspore_parallel1, 0.0001, 0.0001)
 

tests/ut/python/parallel/parallel_end_to_end/batch_parallel/_test_conv2d_parallel_4p.py

@@ -12,8 +12,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import numpy as np
 import os
+import numpy as np
 from numpy import allclose
 
 import mindspore.communication.management as distributedTool

tests/ut/python/parallel/parallel_end_to_end/dropout/_test_dropout_parallel_4p.py

@@ -12,8 +12,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import numpy as np
 import os
+import numpy as np
 
 import mindspore as ms
 import mindspore.communication.management as distributedTool
@@ -45,8 +45,8 @@ class Net(Cell):
         super(Net, self).__init__()
         self.drop = Dropout(keep_prob, seed0, seed1, dtype=ms.float32, strategy=strategy)
 
-    def construct(self, input):
+    def construct(self, input_):
-        x = self.drop(input)
+        x = self.drop(input_)
         return x
 
 
@@ -83,16 +83,16 @@ class DropoutFactory:
             i += 1
         return blocks
 
-    def d4_tensor_compare(self, input, out_me):
+    def d4_tensor_compare(self, input_, out_me):
-        [a, b, c, d] = input.shape
+        [a, b, c, d] = input_.shape
         for i in range(a):
             for j in range(b):
                 for k in range(c):
                     for e in range(d):
                         if out_me[i, j, k, e] == 0:
-                            assert True == True
+                            assert True
                         else:
-                            assert np.allclose(out_me[i, j, k, e], input[i, j, k, e] * (1 / 0.4), 0.0001, 0.0001)
+                            assert np.allclose(out_me[i, j, k, e], input_[i, j, k, e] * (1 / 0.4), 0.0001, 0.0001)
 
     def forward_mindspore_parallel_impl(self):
         x = Tensor(self.input_np)

tests/ut/python/parallel/parallel_end_to_end/hcom/_test_allgather_4p.py

@@ -12,8 +12,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import numpy as np
 import os
+import numpy as np
 
 import mindspore as ms
 import mindspore.communication.management as distributedTool
@@ -83,8 +83,8 @@ class Grad(Cell):
 
 class MatmulAllgatherFactory:
     def __init__(self, inputx_shape, inputy_shape, x_stra, y_stra):
-        self.inputx = self.GenValue(inputx_shape, 10)
+        self.inputx = self.gen_value(inputx_shape, 10)
-        self.inputy = self.GenValue(inputy_shape, 20)
+        self.inputy = self.gen_value(inputy_shape, 20)
         self.x_stra = x_stra
         self.y_stra = y_stra
         stra_size = 1
@@ -92,7 +92,7 @@ class MatmulAllgatherFactory:
             stra_size = stra_size * s
         self.stra_size = stra_size
 
-    def GenValue(self, input_shape, delta):
+    def gen_value(self, input_shape, delta):
         size = 1
         for s in input_shape:
             size = size * s

tests/ut/python/parallel/parallel_end_to_end/hcom/_test_allreduce_4p.py

@@ -12,8 +12,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import numpy as np
 import os
+import numpy as np
 
 import mindspore as ms
 import mindspore.communication.management as distributedTool
@@ -87,9 +87,9 @@ class Grad(Cell):
 
 class MatmulReduceFactory:
     def __init__(self, inputx_shape, inputy_shape, inputz_shape, x_stra, y_stra, z_stra):
-        self.inputx = self.GenValue(inputx_shape, 10)
+        self.inputx = self.gen_value(inputx_shape, 10)
-        self.inputy = self.GenValue(inputy_shape, 20)
+        self.inputy = self.gen_value(inputy_shape, 20)
-        self.inputz = self.GenValue(inputz_shape, 30)
+        self.inputz = self.gen_value(inputz_shape, 30)
         self.x_stra = x_stra
         self.y_stra = y_stra
         self.z_stra = z_stra
@@ -98,7 +98,7 @@ class MatmulReduceFactory:
             stra_size = stra_size * s
         self.stra_size = stra_size
 
-    def GenValue(self, input_shape, delta):
+    def gen_value(self, input_shape, delta):
         size = 1
         for s in input_shape:
             size = size * s

tests/ut/python/parallel/parallel_end_to_end/l2normalize/_test_l2normalize_parallel_4p.py

@@ -12,9 +12,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import numpy as np
 import os
-import pytest
+import numpy as np
 
 import mindspore.communication.management as distributedTool
 from mindspore import context

tests/ut/python/parallel/parallel_end_to_end/loss/_test_loss_parallel_4p.py

@@ -12,9 +12,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import numpy as np
 import os
-import pytest
+import numpy as np
 
 import mindspore.communication.management as distributedTool
 from mindspore import context

tests/ut/python/parallel/parallel_end_to_end/matmul/_test_matmul_parallel_4p.py

@@ -12,8 +12,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import numpy as np
 import os
+import numpy as np
 from numpy import allclose
 
 import mindspore.communication.management as distributedTool
@@ -109,7 +109,7 @@ class BatchmatmulFactory:
             inputb_shape[-1] = inputb_shape[-2]
             inputb_shape[-2] = temp
 
-        if (len(inputa_shape) >= len(inputb_shape)):
+        if len(inputa_shape) >= len(inputb_shape):
             out_shape = list(inputa_shape)
             out_shape[-1] = inputb_shape[-1]
         else:
@@ -127,7 +127,7 @@ class BatchmatmulFactory:
             strategy2[-1] = strategy2[-2]
             strategy2[-2] = temp
 
-        if (len(strategy1) >= len(strategy2)):
+        if len(strategy1) >= len(strategy2):
             out_strategy = strategy1.copy()
             out_strategy[-1] = strategy2[-1]
         else:
@@ -189,13 +189,13 @@ class BatchmatmulFactory:
             i += 1
         return blocks
 
+
+    def id_to_list(self, id_, shape):
         """
         shape：每一维的上限，如（2,4,8）
         """
-
-    def id_to_list(self, id, shape):
         result = []
-        r = id
+        r = id_
         for i in range(0, len(shape)):
             v = 1
             for j in range(i + 1, len(shape)):

tests/ut/python/parallel/parallel_end_to_end/max/_test_max_parallel_4p.py

@@ -12,9 +12,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import numpy as np
 import os
-import pytest
+import numpy as np
 
 import mindspore.communication.management as distributedTool
 from mindspore import context

tests/ut/python/parallel/parallel_end_to_end/mul_softmax/need_fix_test_mul_softmax_parallel_4p.py

@@ -12,10 +12,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import numpy as np
 import os
+import numpy as np
 import pytest
-from numpy import allclose
 
 import mindspore as ms
 import mindspore.communication.management as distributedTool

tests/ut/python/parallel/parallel_end_to_end/onehot/_test_onehot_parallel_4p.py

@@ -12,10 +12,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import numpy as np
 import os
-import pytest
+import numpy as np
-from numpy import allclose
 
 import mindspore as ms
 import mindspore.communication.management as distributedTool

tests/ut/python/parallel/parallel_end_to_end/prelu/_test_prelu_parallel_4p.py

@@ -12,10 +12,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import numpy as np
 import os
+import numpy as np
 import pytest
-from numpy import allclose
 
 import mindspore as ms
 import mindspore.communication.management as distributedTool
@@ -48,6 +47,7 @@ class PReLU(Cell):
         super(PReLU, self).__init__()
         self.add = P.TensorAdd(strategy=strategy1_)
         self.prelu = P.PReLU(strategy=strategy_)
+        self.channel = channel
 
     def construct(self, x, z, w):
         out = self.add(x, z)
@@ -59,8 +59,8 @@ class Grad(Cell):
         super(Grad, self).__init__()
         self.network = network
 
-    def construct(self, input, z, w, output_grad):
+    def construct(self, input_, z, w, output_grad):
-        return grad_all_with_sens(self.network)(input, z, w, output_grad)
+        return grad_all_with_sens(self.network)(input_, z, w, output_grad)
 
 
 class PReLUFactory:

tests/ut/python/parallel/parallel_end_to_end/reducemean/_test_reducemean_parallel_4p.py

@@ -12,9 +12,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import numpy as np
 import os
-import pytest
+import numpy as np
 from numpy import allclose as allclose_nparray
 
 import mindspore as ms
@@ -129,9 +128,9 @@ class ReduceMeanFactory:
         self.out_id = self.list_to_id(device_index, self.out_strategy)
         print(self.out_id)
 
-    def id_to_list(self, id, shape):
+    def id_to_list(self, id_, shape):
         result = []
-        r = id
+        r = id_
         for i in range(0, len(shape)):
             v = 1
             for j in range(i + 1, len(shape)):

tests/ut/python/parallel/parallel_end_to_end/reshape/_test_reshape_parallel_4p.py

@@ -12,8 +12,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import numpy as np
 import os
+import numpy as np
 import pytest
 from numpy import allclose as allclose_nparray
 

tests/ut/python/parallel/parallel_end_to_end/transpose/_test_transpose_parallel_4p.py

@@ -12,9 +12,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import numpy as np
 import os
-import pytest
+import numpy as np
 from numpy import allclose as allclose_nparray
 
 import mindspore.communication.management as distributedTool
@@ -118,9 +117,9 @@ class TransposeFactory:
             i += 1
         return blocks
 
-    def id_to_list(self, id, shape):
+    def id_to_list(self, id_, shape):
         result = []
-        r = id
+        r = id_
         for i in range(0, len(shape)):
             v = 1
             for j in range(i + 1, len(shape)):

tests/ut/python/parallel/test_add_relu_redistribution.py

@@ -54,7 +54,7 @@ class Grad(nn.Cell):
         return C.grad_all(self.network)(x, y)
 
 
-def compile(net, x, y):
+def compile_net(net, x, y):
     net.set_auto_parallel()
     _executor.compile(net, x, y)
 
@@ -69,7 +69,7 @@ def test_add_relu_stride_slice():
 
     x = Tensor(np.ones([128, 32]), dtype=ms.float32)
     y = Tensor(np.ones([128, 32]), dtype=ms.float32)
-    compile(net, x, y)
+    compile_net(net, x, y)
 
 
 def test_add_relu_all_gather():
@@ -82,4 +82,4 @@ def test_add_relu_all_gather():
 
     x = Tensor(np.ones([128, 32]), dtype=ms.float32)
     y = Tensor(np.ones([128, 32]), dtype=ms.float32)
-    compile(net, x, y)
+    compile_net(net, x, y)

tests/ut/python/parallel/test_allreduce_fusion.py

@@ -17,7 +17,6 @@ import numpy as np
 import mindspore as ms
 import mindspore.nn as nn
 from mindspore import Tensor, context
-from mindspore import context
 from mindspore.common.api import _executor
 from mindspore.nn.loss import SoftmaxCrossEntropyWithLogits
 from mindspore.nn.optim.momentum import Momentum
@@ -131,56 +130,56 @@ def test_allreduce_fusion_parameters():
     cost_model_context.reset_cost_model_context()
     cost_model_context.set_cost_model_context(costmodel_allreduce_fusion_algorithm=2)
     algorithm = cost_model_context.get_cost_model_context('costmodel_allreduce_fusion_algorithm')
-    assert (algorithm == 2)
+    assert algorithm == 2
     cost_model_context.set_cost_model_context(costmodel_allreduce_fusion_algorithm=1)
     algorithm = cost_model_context.get_cost_model_context('costmodel_allreduce_fusion_algorithm')
-    assert (algorithm == 1)
+    assert algorithm == 1
     cost_model_context.reset_cost_model_context()
     algorithm = cost_model_context.get_cost_model_context('costmodel_allreduce_fusion_algorithm')
-    assert (algorithm == 0)
+    assert algorithm == 0
 
     cost_model_context.set_cost_model_context(costmodel_allreduce_fusion_times=2)
     fusion_times = cost_model_context.get_cost_model_context('costmodel_allreduce_fusion_times')
-    assert (fusion_times == 2)
+    assert fusion_times == 2
 
     cost_model_context.set_cost_model_context(costmodel_allreduce_fusion_tail_percent=0.2)
     tail_percent = cost_model_context.get_cost_model_context('costmodel_allreduce_fusion_tail_percent')
-    assert (tail_percent == 0.2)
+    assert tail_percent == 0.2
     cost_model_context.reset_cost_model_context()
     tail_percent = cost_model_context.get_cost_model_context('costmodel_allreduce_fusion_tail_percent')
-    assert (tail_percent == 0.1)
+    assert tail_percent == 0.1
 
     cost_model_context.set_cost_model_context(costmodel_allreduce_fusion_tail_time=0.2)
     tail_time = cost_model_context.get_cost_model_context('costmodel_allreduce_fusion_tail_time')
-    assert (tail_time == 0.2)
+    assert tail_time == 0.2
     cost_model_context.reset_cost_model_context()
     tail_time = cost_model_context.get_cost_model_context('costmodel_allreduce_fusion_tail_time')
-    assert (tail_time == 0.1)
+    assert tail_time == 0.1
 
     cost_model_context.set_cost_model_context(costmodel_allreduce_fusion_allreduce_inherent_time=0.2)
     allreduce_inherent_time = cost_model_context.get_cost_model_context(
         'costmodel_allreduce_fusion_allreduce_inherent_time')
-    assert (allreduce_inherent_time == 0.2)
+    assert allreduce_inherent_time == 0.2
     cost_model_context.reset_cost_model_context()
     allreduce_inherent_time = cost_model_context.get_cost_model_context(
         'costmodel_allreduce_fusion_allreduce_inherent_time')
-    assert (allreduce_inherent_time == 0.1)
+    assert allreduce_inherent_time == 0.1
 
     cost_model_context.set_cost_model_context(costmodel_allreduce_fusion_allreduce_bandwidth=0.2)
     allreduce_bandwidth = cost_model_context.get_cost_model_context('costmodel_allreduce_fusion_allreduce_bandwidth')
-    assert (allreduce_bandwidth == 0.2)
+    assert allreduce_bandwidth == 0.2
     cost_model_context.reset_cost_model_context()
     allreduce_bandwidth = cost_model_context.get_cost_model_context('costmodel_allreduce_fusion_allreduce_bandwidth')
-    assert (allreduce_bandwidth == 0.1)
+    assert allreduce_bandwidth == 0.1
 
     cost_model_context.set_cost_model_context(costmodel_allreduce_fusion_computation_time_parameter=0.2)
     computation_time_parameter = cost_model_context.get_cost_model_context(
         'costmodel_allreduce_fusion_computation_time_parameter')
-    assert (computation_time_parameter == 0.2)
+    assert computation_time_parameter == 0.2
     cost_model_context.reset_cost_model_context()
     computation_time_parameter = cost_model_context.get_cost_model_context(
         'costmodel_allreduce_fusion_computation_time_parameter')
-    assert (computation_time_parameter == 0.1)
+    assert computation_time_parameter == 0.1
 
 
 def test_allreduce_fusion1():
@@ -201,7 +200,7 @@ def test_allreduce_fusion1():
                    'backbone2.fc2.weight': 1,
                    'backbone2.fc1.weight': 1,
                    'backbone1.fc1.weight': 1}
-    assert (allreduce_fusion_dict == expect_dict)
+    assert allreduce_fusion_dict == expect_dict
     cost_model_context.reset_cost_model_context()
 
 
@@ -214,7 +213,7 @@ def test_allreduce_fusion2():
     net = SimpleDMLNet(DenseNet1(has_bias=False, activation=None), DenseNet2(has_bias=False, activation=None))
     allreduce_fusion_dict = train_common(net)
     expect_dict = {}
-    assert (allreduce_fusion_dict == expect_dict)
+    assert allreduce_fusion_dict == expect_dict
     cost_model_context.reset_cost_model_context()
 
 
@@ -240,7 +239,7 @@ def test_allreduce_fusion3():
                    'backbone1.fc2.weight': 2,
                    'backbone1.fc1.bias': 2,
                    'backbone1.fc1.weight': 2}
-    assert (allreduce_fusion_dict == expect_dict)
+    assert allreduce_fusion_dict == expect_dict
     cost_model_context.reset_cost_model_context()
 
 
@@ -267,7 +266,7 @@ def test_allreduce_fusion4():
                    'backbone1.fc2.weight': 1,
                    'backbone1.fc1.weight': 1}
 
-    assert (allreduce_fusion_dict == expect_dict)
+    assert allreduce_fusion_dict == expect_dict
     cost_model_context.reset_cost_model_context()
 
 
@@ -297,5 +296,5 @@ def test_allreduce_fusion5():
                    'backbone1.fc2.weight': 1,
                    'backbone1.fc1.weight': 1,}
 
-    assert (allreduce_fusion_dict == expect_dict)
+    assert allreduce_fusion_dict == expect_dict
     cost_model_context.reset_cost_model_context()