[CodeStyle][F401] remove unused import in unittests/test_[a-e] (#46691)

python/paddle/fluid/tests/unittests/test_accuracy_op.py

@@ -17,7 +17,7 @@ import numpy as np
 from op_test import OpTest
 import paddle
 import paddle.fluid as fluid
-from paddle.fluid import compiler, Program, program_guard
+from paddle.fluid import Program, program_guard
 
 
 class TestAccuracyOp(OpTest):

python/paddle/fluid/tests/unittests/test_activation_nn_grad.py

@@ -21,7 +21,6 @@ import paddle.fluid.layers as layers
 import paddle.fluid.core as core
 import gradient_checker
 import paddle.nn.functional as F
-from paddle.fluid.framework import _test_eager_guard
 
 from decorator_helper import prog_scope
 

python/paddle/fluid/tests/unittests/test_activation_op.py

@@ -17,13 +17,12 @@ import unittest
 import numpy as np
 from scipy.special import expit, erf
 
-from op_test import OpTest, convert_float_to_uint16, skip_check_grad_ci
+from op_test import OpTest, convert_float_to_uint16
 import paddle
-import paddle.nn as nn
 import paddle.nn.functional as F
 import paddle.fluid as fluid
 import paddle.fluid.core as core
-from paddle.fluid import compiler, Program, program_guard
+from paddle.fluid import Program, program_guard
 from paddle.fluid.framework import _test_eager_guard
 
 paddle.enable_static()

python/paddle/fluid/tests/unittests/test_activation_sparse_op.py

@@ -14,10 +14,8 @@
 
 import unittest
 import numpy as np
-import paddle.fluid as fluid
 import paddle.fluid.core as core
 from paddle.fluid.op import Operator
-from op_test import OpTest
 import paddle
 
 

python/paddle/fluid/tests/unittests/test_adagrad_op_v2.py

@@ -13,12 +13,7 @@
 # limitations under the License.
 
 import unittest
-import numpy as np
 import paddle
-import paddle.fluid.core as core
-from paddle.fluid.op import Operator
-from op_test import OpTest
-import math
 
 
 class TestAdagradOpV2(unittest.TestCase):

python/paddle/fluid/tests/unittests/test_adamax_api.py

@@ -14,7 +14,6 @@
 
 import unittest
 import numpy as np
-from op_test import OpTest
 import paddle
 import paddle.fluid as fluid
 from paddle.fluid.framework import _test_eager_guard

python/paddle/fluid/tests/unittests/test_adaptive_avg_pool1d.py

@@ -15,10 +15,8 @@
 import numpy as np
 import unittest
 import numpy as np
-from op_test import OpTest
 import paddle.fluid.core as core
 import paddle.fluid as fluid
-from paddle.fluid import compiler, Program, program_guard
 import paddle
 import paddle.nn.functional as F
 import paddle.fluid as fluid

python/paddle/fluid/tests/unittests/test_adaptive_avg_pool2d.py

@@ -17,7 +17,6 @@ import unittest
 import numpy as np
 
 import paddle.fluid.core as core
-from op_test import OpTest
 import paddle
 import paddle.fluid as fluid
 from paddle.fluid import Program, program_guard

python/paddle/fluid/tests/unittests/test_adaptive_avg_pool3d.py

@@ -16,10 +16,8 @@ import unittest
 import numpy as np
 
 import paddle.fluid.core as core
-from op_test import OpTest
 import paddle
 import paddle.fluid as fluid
-from paddle.fluid import Program, program_guard
 
 
 def adaptive_start_index(index, input_size, output_size):

python/paddle/fluid/tests/unittests/test_adaptive_max_pool1d.py

@@ -14,9 +14,8 @@
 
 import numpy as np
 import unittest
-from op_test import OpTest, check_out_dtype
+from op_test import check_out_dtype
 import paddle.fluid.core as core
-from paddle.fluid import compiler, Program, program_guard
 import paddle
 import paddle.nn.functional as F
 import paddle.fluid as fluid

python/paddle/fluid/tests/unittests/test_adaptive_max_pool2d.py

@@ -16,10 +16,9 @@ import unittest
 import numpy as np
 
 import paddle.fluid.core as core
-from op_test import OpTest, check_out_dtype
+from op_test import check_out_dtype
 import paddle
 import paddle.fluid as fluid
-from paddle.fluid import Program, program_guard
 import paddle.nn.functional as F
 
 

python/paddle/fluid/tests/unittests/test_adaptive_max_pool3d.py

@@ -16,10 +16,9 @@ import unittest
 import numpy as np
 
 import paddle.fluid.core as core
-from op_test import OpTest, check_out_dtype
+from op_test import check_out_dtype
 import paddle
 import paddle.fluid as fluid
-from paddle.fluid import Program, program_guard
 import paddle.nn.functional as F
 
 

python/paddle/fluid/tests/unittests/test_add_position_encoding_op.py

@@ -14,7 +14,6 @@
 import unittest
 import numpy as np
 import math
-import paddle.fluid.core as core
 from op_test import OpTest
 import paddle.fluid as fluid
 import paddle

python/paddle/fluid/tests/unittests/test_addmm_op.py

@@ -15,7 +15,6 @@
 import unittest
 import numpy as np
 import paddle
-import paddle.fluid.core as core
 from op_test import OpTest
 import paddle.fluid as fluid
 from paddle.fluid import Program, program_guard

python/paddle/fluid/tests/unittests/test_affine_channel_op.py

@@ -18,7 +18,6 @@ Unit testing for affine_channel_op
 import unittest
 import numpy as np
 from op_test import OpTest
-import paddle.fluid.core as core
 import paddle.fluid as fluid
 
 

python/paddle/fluid/tests/unittests/test_affine_grid_function.py

@@ -14,10 +14,9 @@
 
 import paddle
 import numpy as np
-from paddle import fluid, nn
+from paddle import fluid
 import paddle.fluid.dygraph as dg
 import paddle.nn.functional as F
-import paddle.fluid.initializer as I
 import unittest
 
 

python/paddle/fluid/tests/unittests/test_allgather.py

@@ -13,7 +13,6 @@
 # limitations under the License.
 
 import unittest
-import numpy as np
 import paddle
 
 from test_collective_base import TestDistBase

python/paddle/fluid/tests/unittests/test_amp_check_finite_and_scale_op.py

@@ -14,8 +14,7 @@
 
 import unittest
 import numpy as np
-from op_test import OpTest, skip_check_grad_ci
-import paddle.fluid as fluid
+from op_test import OpTest
 import paddle.fluid.contrib.mixed_precision.amp_nn as amp_nn
 
 

python/paddle/fluid/tests/unittests/test_anchor_generator_op.py

@@ -14,8 +14,6 @@
 
 import unittest
 import numpy as np
-import sys
-import math
 from op_test import OpTest
 
 

python/paddle/fluid/tests/unittests/test_arg_min_max_op.py

@@ -17,7 +17,6 @@ import unittest
 import numpy as np
 from op_test import OpTest
 import paddle
-import paddle.fluid as fluid
 import paddle.fluid.core as core
 from paddle.fluid import Program, program_guard
 from test_attribute_var import UnittestBase

python/paddle/fluid/tests/unittests/test_argsort_op.py

@@ -15,12 +15,10 @@
 import unittest
 import paddle
 import paddle.fluid as fluid
-import paddle.fluid.layers as layers
 import numpy as np
 import six
 import paddle.fluid.core as core
 
-from paddle.fluid import ParamAttr
 from paddle.fluid.framework import Program, grad_var_name
 from paddle.fluid.executor import Executor
 from paddle.fluid.backward import append_backward

python/paddle/fluid/tests/unittests/test_array_read_write_op.py

@@ -21,7 +21,7 @@ import paddle.fluid.layers as layers
 from paddle.fluid.executor import Executor
 from paddle.fluid.backward import append_backward
 from paddle.fluid.framework import default_main_program
-from paddle.fluid import compiler, Program, program_guard
+from paddle.fluid import Program, program_guard
 import numpy as np
 
 

python/paddle/fluid/tests/unittests/test_ascend_trigger.py

@@ -14,7 +14,6 @@
 
 import paddle
 import paddle.fluid as fluid
-import paddle.fluid.layers as layers
 import unittest
 
 

python/paddle/fluid/tests/unittests/test_assign_op.py

@@ -17,9 +17,8 @@ import numpy as np
 import unittest
 import paddle
 import paddle.fluid.core as core
-from paddle.fluid.op import Operator
 import paddle.fluid as fluid
-from paddle.fluid import compiler, Program, program_guard
+from paddle.fluid import Program, program_guard
 from paddle.fluid.backward import append_backward
 import paddle.fluid.framework as framework
 import gradient_checker

python/paddle/fluid/tests/unittests/test_assign_pos_op.py

@@ -17,10 +17,6 @@ import numpy as np
 import unittest
 import paddle
 import paddle.fluid.core as core
-from paddle.fluid.op import Operator
-import paddle.fluid as fluid
-from paddle.fluid import compiler, Program, program_guard
-from paddle.fluid.backward import append_backward
 from paddle.distributed.models.moe import utils
 from paddle.fluid.framework import _test_eager_guard
 

python/paddle/fluid/tests/unittests/test_atan2_op.py

@@ -17,11 +17,7 @@ import unittest
 
 from op_test import OpTest
 import paddle
-import paddle.nn as nn
-import paddle.nn.functional as F
-import paddle.fluid as fluid
 import paddle.fluid.core as core
-from paddle.fluid import compiler, Program, program_guard
 
 paddle.enable_static()
 np.random.seed(0)

python/paddle/fluid/tests/unittests/test_auto_parallel_autoconvert.py

@@ -13,7 +13,6 @@
 # limitations under the License.
 
 import unittest
-import paddle.fluid as fluid
 
 from test_parallel_dygraph_dataparallel import TestMultipleGpus
 

python/paddle/fluid/tests/unittests/test_auto_parallel_completion.py

@@ -14,7 +14,6 @@
 
 import unittest
 import unittest.mock
-from io import StringIO
 
 import paddle
 import paddle.nn as nn
@@ -23,14 +22,9 @@ import paddle.nn.functional as F
 import paddle.utils as utils
 import paddle.tensor as tensor
 from paddle.fluid import layers
-from paddle.nn.layer.transformer import _convert_param_attr_to_list
 from paddle.distributed.fleet import auto
 from paddle.distributed.auto_parallel.completion import Completer
-from paddle.distributed.auto_parallel.utils import check_distributed_attr_for_program
-from paddle.distributed.auto_parallel.utils import print_program_with_dist_attr
-from paddle.distributed.auto_parallel.utils import append_distributed_attr_suffix
 from paddle.distributed.auto_parallel.dist_context import DistributedContext
-from paddle.distributed.auto_parallel.dist_context import set_default_distributed_context
 
 paddle.enable_static()
 _global_parallel_strategy = None

python/paddle/fluid/tests/unittests/test_auto_parallel_completion_gpt.py

@@ -13,25 +13,18 @@
 # limitations under the License.
 
 import collections
-import math
 import unittest
 
-import numpy as np
 import paddle
 import paddle.nn as nn
 import paddle.nn.functional as F
 import paddle.tensor as tensor
 import paddle.utils as utils
 from paddle.fluid import layers
-from paddle.fluid.framework import _non_static_mode
 from paddle.nn.layer.transformer import _convert_param_attr_to_list
-from paddle.fluid.initializer import Normal, Constant, NumpyArrayInitializer
-from paddle.distributed.fleet import fleet
 import paddle.static as static
 from paddle.distributed.fleet import auto
 from paddle.distributed.auto_parallel.completion import Completer
-from paddle.distributed.auto_parallel.utils import check_distributed_attr_for_program
-from paddle.distributed.auto_parallel.utils import print_program_with_dist_attr
 from paddle.distributed.auto_parallel.dist_context import DistributedContext
 
 paddle.enable_static()

python/paddle/fluid/tests/unittests/test_auto_parallel_cost_model.py

@@ -14,7 +14,6 @@
 
 import unittest
 
-import copy
 import paddle
 import paddle.nn as nn
 import paddle.static as static
@@ -29,7 +28,6 @@ from paddle.distributed.auto_parallel.parallelizer import AutoParallelizer
 from paddle.distributed.auto_parallel.reshard import Resharder
 from paddle.distributed.auto_parallel.cost_model import estimate_cost
 import paddle.fluid.core as core
-from paddle.distributed.auto_parallel.utils import print_program_with_dist_attr
 
 paddle.enable_static()
 _global_parallel_strategy = "dp_mp_pp"

python/paddle/fluid/tests/unittests/test_auto_parallel_data_unshard.py

@@ -13,7 +13,6 @@
 # limitations under the License.
 
 import unittest
-import paddle.fluid as fluid
 
 from test_parallel_dygraph_dataparallel import TestMultipleGpus
 

python/paddle/fluid/tests/unittests/test_auto_parallel_dist_tensor.py

@@ -16,7 +16,6 @@ import copy
 import unittest
 
 import paddle
-from paddle.fluid import core
 from paddle.distributed.fleet import auto
 from paddle.distributed.auto_parallel.completion import Completer
 from paddle.distributed import fleet

python/paddle/fluid/tests/unittests/test_auto_parallel_graph.py

@@ -13,10 +13,6 @@
 # limitations under the License.
 
 import unittest
-import os
-import json
-from paddle.distributed.auto_parallel.graph import Node
-from paddle.distributed.auto_parallel.graph import Edge
 from paddle.distributed.auto_parallel.graph import Graph
 
 

python/paddle/fluid/tests/unittests/test_auto_parallel_mapper.py

@@ -16,22 +16,17 @@ import tempfile
 import unittest
 import os
 import json
-import collections
-import math
 import numpy as np
 
 import paddle
 import paddle.nn as nn
 import paddle.fluid as fluid
 import paddle.nn.functional as F
-import paddle.tensor as tensor
 import paddle.utils as utils
 import paddle.static as static
 from paddle.fluid import core
 from paddle.fluid import layers
-from paddle.fluid.framework import _non_static_mode
-from paddle.nn.layer.transformer import _convert_param_attr_to_list
-from paddle.fluid.initializer import Normal, Constant, NumpyArrayInitializer
+from paddle.fluid.initializer import NumpyArrayInitializer
 from paddle.distributed import fleet
 
 from paddle.distributed.fleet import auto
@@ -40,15 +35,7 @@ from paddle.distributed.auto_parallel.parallelizer import AutoParallelizer
 from paddle.distributed.auto_parallel.dist_context import DistributedContext
 from paddle.distributed.auto_parallel.partitioner import Partitioner
 from paddle.distributed.auto_parallel.reshard import Resharder
-from paddle.distributed.auto_parallel.process_group import get_all_process_groups
-from paddle.distributed.auto_parallel.process_group import new_process_group
 from paddle.distributed.auto_parallel.cluster import Cluster
-from paddle.distributed.auto_parallel.cluster import DeviceType
-from paddle.distributed.auto_parallel.cluster import LinkType
-from paddle.distributed.auto_parallel.utils import check_distributed_attr_for_program
-from paddle.distributed.auto_parallel.utils import print_program_with_dist_attr
-from paddle.distributed.auto_parallel.mapper import build_process_graph
-from paddle.distributed.auto_parallel.mapper import build_cluster_graph
 from paddle.distributed.auto_parallel.mapper import mapping
 from paddle.distributed.auto_parallel.mapper import get_dtype_bytes
 from paddle.distributed.auto_parallel.mapper import get_comm_volume

python/paddle/fluid/tests/unittests/test_auto_parallel_partitioner.py

@@ -14,8 +14,6 @@
 
 import unittest
 import unittest.mock
-from io import StringIO
-import numpy as np
 
 import paddle
 import paddle.nn as nn
@@ -24,12 +22,8 @@ import paddle.nn.functional as F
 import paddle.utils as utils
 import paddle.tensor as tensor
 from paddle.fluid import layers
-from paddle.nn.layer.transformer import _convert_param_attr_to_list
 from paddle.distributed.fleet import auto
 from paddle.distributed.auto_parallel.completion import Completer
-from paddle.distributed.auto_parallel.utils import check_distributed_attr_for_program
-from paddle.distributed.auto_parallel.utils import print_program_with_dist_attr
-from paddle.distributed.auto_parallel.utils import append_distributed_attr_suffix
 from paddle.distributed.auto_parallel.dist_context import DistributedContext
 from paddle.distributed import fleet
 from paddle.distributed.auto_parallel.partitioner import Partitioner

python/paddle/fluid/tests/unittests/test_auto_parallel_partitioner_gpt.py

@@ -13,26 +13,18 @@
 # limitations under the License.
 
 import collections
-import math
 import unittest
 
-import numpy as np
 import paddle
 import paddle.nn as nn
 import paddle.nn.functional as F
 import paddle.tensor as tensor
 import paddle.utils as utils
 from paddle.fluid import layers
-from paddle.fluid.framework import _non_static_mode
 from paddle.nn.layer.transformer import _convert_param_attr_to_list
-from paddle.fluid.initializer import Normal, Constant, NumpyArrayInitializer
-from paddle.distributed import fleet
 import paddle.static as static
 from paddle.distributed.fleet import auto
 from paddle.distributed.auto_parallel.completion import Completer
-from paddle.distributed.auto_parallel.utils import check_distributed_attr_for_program
-from paddle.distributed.auto_parallel.utils import print_program_with_dist_attr
-from paddle.distributed.auto_parallel.dist_context import DistributedContext
 from paddle.distributed.auto_parallel.partitioner import Partitioner
 from paddle.distributed.auto_parallel.parallelizer import AutoParallelizer
 from paddle.distributed.auto_parallel.utils import _get_comm_group

python/paddle/fluid/tests/unittests/test_auto_parallel_reshard.py

@@ -27,7 +27,6 @@ from paddle.distributed.auto_parallel.parallelizer import AutoParallelizer
 from paddle.distributed.auto_parallel.partitioner import Partitioner
 from paddle.distributed.auto_parallel.reshard import Resharder
 from paddle.distributed.auto_parallel.process_group import _g_process_group_map, ProcessGroup
-from paddle.distributed.auto_parallel.utils import print_program_with_dist_attr
 
 paddle.enable_static()
 _global_parallel_strategy = None

python/paddle/fluid/tests/unittests/test_auto_parallel_reshard_dpmppp.py

@@ -26,7 +26,6 @@ from paddle.distributed import fleet
 from paddle.distributed.auto_parallel.parallelizer import AutoParallelizer
 from paddle.distributed.auto_parallel.partitioner import Partitioner
 from paddle.distributed.auto_parallel.reshard import Resharder
-from paddle.distributed.auto_parallel.utils import print_program_with_dist_attr
 from paddle.distributed.auto_parallel.cost import CostEstimator
 from paddle.distributed.auto_parallel.cluster import Cluster
 

python/paddle/fluid/tests/unittests/test_auto_parallel_reshard_mppp.py

@@ -26,7 +26,6 @@ from paddle.distributed import fleet
 from paddle.distributed.auto_parallel.parallelizer import AutoParallelizer
 from paddle.distributed.auto_parallel.partitioner import Partitioner
 from paddle.distributed.auto_parallel.reshard import Resharder
-from paddle.distributed.auto_parallel.utils import print_program_with_dist_attr
 from paddle.distributed.auto_parallel.cost import CostEstimator
 from paddle.distributed.auto_parallel.cluster import Cluster
 

python/paddle/fluid/tests/unittests/test_auto_parallel_reshard_serial.py

@@ -26,9 +26,6 @@ import paddle.utils as utils
 from paddle.distributed.fleet import auto
 from paddle.distributed.auto_parallel.dist_context import get_default_distributed_context
 from paddle.distributed import fleet
-from paddle.distributed.auto_parallel.partitioner import Partitioner
-from paddle.distributed.auto_parallel.reshard import Resharder
-from paddle.distributed.auto_parallel.process_group import new_process_group
 
 paddle.enable_static()
 _global_parallel_strategy = None

python/paddle/fluid/tests/unittests/test_auto_parallel_save_load.py

@@ -13,7 +13,6 @@
 # limitations under the License.
 
 import unittest
-import paddle.fluid as fluid
 
 from test_parallel_dygraph_dataparallel import TestMultipleGpus
 

python/paddle/fluid/tests/unittests/test_auto_parallel_searcher.py

@@ -12,9 +12,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import os
-import copy
-import json
 import unittest
 
 import paddle
@@ -22,13 +19,9 @@ import paddle.nn as nn
 import paddle.static as static
 import paddle.nn.functional as F
 import paddle.utils as utils
-from paddle.distributed import fleet
 from paddle.distributed.fleet import auto
-from paddle.distributed.auto_parallel.cluster import Cluster
-from paddle.distributed.auto_parallel.utils import SerialProgramInfo
-from paddle.distributed.auto_parallel.planner import PlanSpace, PlanFilter
+from paddle.distributed.auto_parallel.planner import PlanSpace
 from paddle.distributed.auto_parallel.dist_context import DistributedContext
-from paddle.distributed.auto_parallel.utils import get_all_distributed_main_program
 from paddle.distributed.auto_parallel.dist_attribute import TensorDistributedAttribute
 from paddle.distributed.auto_parallel.dist_attribute import OperatorDistributedAttribute
 from paddle.distributed.auto_parallel.utils import update_op_dims_mapping_by_default_dist_impl

python/paddle/fluid/tests/unittests/test_auto_search_dist_matmul_op.py

@@ -12,9 +12,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 import unittest
-import copy
-
-import numpy as np
 
 import paddle
 import paddle.nn as nn
@@ -23,11 +20,8 @@ import paddle.nn.functional as F
 import paddle.utils as utils
 import paddle.fluid.core as core
 from paddle.fluid import layers
-from paddle.distributed.auto_parallel.operators.common import DistributedOperatorImplContainer
-from paddle.distributed.auto_parallel.operators.common import DistributedOperatorImpl
 from paddle.distributed.auto_parallel.operators.common import get_distributed_operator_impl_container
-from paddle.distributed.auto_parallel.dist_context import DistributedContext, DistributedOperatorContext
-from paddle.distributed.auto_parallel.dist_attribute import OperatorDistributedAttribute, TensorDistributedAttribute
+from paddle.distributed.auto_parallel.dist_attribute import OperatorDistributedAttribute
 from paddle.distributed.auto_parallel.dist_op import DistributedOperator
 
 paddle.enable_static()

python/paddle/fluid/tests/unittests/test_auto_search_dist_op.py

@@ -12,9 +12,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 import unittest
-import copy
-
-import numpy as np
 
 import paddle
 import paddle.nn as nn
@@ -23,11 +20,8 @@ import paddle.nn.functional as F
 import paddle.utils as utils
 import paddle.fluid.core as core
 from paddle.fluid import layers
-from paddle.distributed.auto_parallel.operators.common import DistributedOperatorImplContainer
-from paddle.distributed.auto_parallel.operators.common import DistributedOperatorImpl
 from paddle.distributed.auto_parallel.operators.common import get_distributed_operator_impl_container
-from paddle.distributed.auto_parallel.dist_context import DistributedContext, DistributedOperatorContext
-from paddle.distributed.auto_parallel.dist_attribute import OperatorDistributedAttribute, TensorDistributedAttribute
+from paddle.distributed.auto_parallel.dist_attribute import OperatorDistributedAttribute
 from paddle.distributed.auto_parallel.dist_op import DistributedOperator
 
 paddle.enable_static()

python/paddle/fluid/tests/unittests/test_backward_infer_var_data_type_shape.py

@@ -12,7 +12,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from decorator_helper import prog_scope
 import unittest
 import paddle.fluid as fluid
 import numpy as np

python/paddle/fluid/tests/unittests/test_basic_rnn_name.py

@@ -13,15 +13,10 @@
 # limitations under the License.
 
 import unittest
-import numpy
 import paddle.fluid as fluid
 import paddle.fluid.layers as layers
-import paddle.fluid.core as core
 from paddle.fluid.contrib.layers import basic_gru, basic_lstm
-from paddle.fluid.executor import Executor
-from paddle.fluid import framework
 from test_imperative_base import new_program_scope
-import numpy as np
 
 
 class TestBasicGRUApiName(unittest.TestCase):

python/paddle/fluid/tests/unittests/test_batch_fc_op.py

@@ -14,11 +14,8 @@
 
 import unittest
 import numpy as np
-import random
 from op_test import OpTest
-import paddle.fluid as fluid
-from paddle.fluid import Program, program_guard
-from op_test import OpTest, skip_check_grad_ci
+from op_test import OpTest
 import paddle.fluid.core as core
 
 

python/paddle/fluid/tests/unittests/test_batch_norm_op_v2.py

@@ -12,14 +12,11 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import os
 import unittest
 import numpy as np
 import paddle.fluid.core as core
-from paddle.fluid.op import Operator
 import paddle.fluid as fluid
-from op_test import OpTest, _set_use_system_allocator
-from paddle.fluid.framework import grad_var_name, _test_eager_guard
+from paddle.fluid.framework import _test_eager_guard
 import paddle.fluid as fluid
 from paddle.fluid import Program, program_guard
 import paddle

python/paddle/fluid/tests/unittests/test_batch_sampler.py

@@ -15,10 +15,8 @@
 import unittest
 
 import numpy as np
-import paddle.fluid as fluid
 from paddle.io import BatchSampler, Dataset, Sampler, SequenceSampler, \
                         RandomSampler, WeightedRandomSampler
-from paddle.io import DistributedBatchSampler
 
 IMAGE_SIZE = 32
 

python/paddle/fluid/tests/unittests/test_bce_with_logits_loss.py

@@ -16,7 +16,6 @@ import paddle
 import paddle.fluid as fluid
 import numpy as np
 import unittest
-from op_test import OpTest
 from paddle.fluid.framework import _test_eager_guard
 
 

python/paddle/fluid/tests/unittests/test_beam_search_op.py

@@ -12,8 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import logging
-from paddle.fluid.op import Operator, DynamicRecurrentOp
+from paddle.fluid.op import Operator
 import paddle.fluid.core as core
 import unittest
 import numpy as np

python/paddle/fluid/tests/unittests/test_bernoulli_op.py

@@ -16,7 +16,6 @@ import unittest
 import paddle
 from op_test import OpTest
 import numpy as np
-import os
 
 
 def output_hist(out):

python/paddle/fluid/tests/unittests/test_bicubic_interp_op.py

@@ -15,7 +15,6 @@
 import unittest
 import numpy as np
 from op_test import OpTest
-import paddle.fluid.core as core
 import paddle.fluid as fluid
 import paddle
 from paddle.fluid import Program, program_guard

python/paddle/fluid/tests/unittests/test_bicubic_interp_v2_op.py

@@ -14,8 +14,7 @@
 
 import unittest
 import numpy as np
-from op_test import OpTest, _in_eager_without_dygraph_check
-import paddle.fluid.core as core
+from op_test import OpTest
 import paddle.fluid as fluid
 import paddle
 from paddle.fluid import Program, program_guard

python/paddle/fluid/tests/unittests/test_bilinear_api.py

@@ -13,7 +13,6 @@
 # limitations under the License.
 
 import unittest
-from op_test import OpTest
 
 import paddle
 import paddle.fluid as fluid

python/paddle/fluid/tests/unittests/test_bincount_op.py

@@ -18,8 +18,6 @@ import tempfile
 import numpy as np
 import paddle
 import paddle.fluid as fluid
-import paddle.fluid.core as core
-from paddle.fluid import Program, program_guard
 from op_test import OpTest
 import paddle.inference as paddle_infer
 from paddle.fluid.framework import in_dygraph_mode

python/paddle/fluid/tests/unittests/test_bmm_op.py

@@ -17,8 +17,6 @@ import numpy as np
 from op_test import OpTest
 import paddle
 import paddle.fluid as fluid
-import paddle.tensor as tensor
-from paddle.fluid import Program, program_guard
 
 
 class TestBmmOp(OpTest):

python/paddle/fluid/tests/unittests/test_box_clip_op.py

@@ -14,10 +14,7 @@
 
 import unittest
 import numpy as np
-import sys
-import math
 from op_test import OpTest
-import copy
 
 
 def box_clip(input_box, im_info, output_box):

python/paddle/fluid/tests/unittests/test_box_coder_op.py

@@ -14,8 +14,6 @@
 
 import unittest
 import numpy as np
-import sys
-import math
 from op_test import OpTest
 import paddle
 import paddle.fluid.core as core

python/paddle/fluid/tests/unittests/test_box_decoder_and_assign_op.py

@@ -14,8 +14,6 @@
 
 import unittest
 import numpy as np
-import sys
-import math
 from op_test import OpTest
 
 

python/paddle/fluid/tests/unittests/test_boxps.py

@@ -14,10 +14,6 @@
 
 import paddle
 import paddle.fluid as fluid
-import paddle.fluid.layers as layers
-import numpy as np
-import os
-import shutil
 import paddle.fluid.core as core
 import unittest
 from paddle.fluid.layers.nn import _pull_box_sparse

python/paddle/fluid/tests/unittests/test_broadcast_shape.py

@@ -13,7 +13,6 @@
 # limitations under the License.
 
 import unittest
-import numpy as np
 import paddle
 
 

python/paddle/fluid/tests/unittests/test_broadcast_tensors_op.py

@@ -17,7 +17,6 @@ import numpy as np
 import paddle
 import paddle.fluid.core as core
 from op_test import OpTest
-from test_collective_base import TestDistBase
 
 import random
 

python/paddle/fluid/tests/unittests/test_broadcast_to_op.py

@@ -14,9 +14,8 @@
 
 import unittest
 import numpy as np
-from op_test import OpTest
 import paddle.fluid as fluid
-from paddle.fluid import compiler, Program, program_guard
+from paddle.fluid import Program, program_guard
 import paddle
 
 paddle.enable_static()

python/paddle/fluid/tests/unittests/test_bucketize_api.py

@@ -12,14 +12,10 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from re import X
-
 import unittest
 import numpy as np
 import paddle
-import paddle.fluid as fluid
 import paddle.fluid.core as core
-from paddle.fluid import Program, program_guard
 
 np.random.seed(10)
 

python/paddle/fluid/tests/unittests/test_buffer_shared_memory_reuse_pass.py

@@ -14,12 +14,10 @@
 
 import paddle
 import paddle.fluid as fluid
-from paddle.fluid.framework import Parameter
 import numpy as np
 from simple_nets import simple_fc_net
 import random
 import unittest
-import os
 
 batch_size = 32
 

python/paddle/fluid/tests/unittests/test_c_comm_init_all_op.py

@@ -14,7 +14,6 @@
 
 import unittest
 import paddle
-import paddle.fluid.core as core
 import paddle.fluid as fluid
 
 

python/paddle/fluid/tests/unittests/test_c_embedding_op.py

@@ -13,11 +13,6 @@
 # limitations under the License.
 
 import unittest
-import numpy as np
-from op_test import OpTest
-import paddle
-import paddle.fluid as fluid
-from paddle.framework import core
 from paddle.fluid.tests.unittests.c_embedding_op_base import TestCEmbeddingCPU, TestCEmbeddingOpBase, TestCEmbeddingOpFP32
 
 TestCEmbeddingCPU()

python/paddle/fluid/tests/unittests/test_cast_op.py

@@ -18,7 +18,7 @@ import numpy as np
 import paddle
 import paddle.fluid.core as core
 import paddle.fluid as fluid
-from paddle.fluid import compiler, Program, program_guard
+from paddle.fluid import Program, program_guard
 from op_test import OpTest, convert_uint16_to_float, convert_float_to_uint16
 from paddle.fluid.framework import _test_eager_guard
 import gradient_checker

python/paddle/fluid/tests/unittests/test_center_loss.py

@@ -15,7 +15,6 @@
 import unittest
 import numpy as np
 from op_test import OpTest
-import paddle.fluid.core as core
 import paddle.fluid as fluid
 
 

python/paddle/fluid/tests/unittests/test_checkpoint_saver.py

@@ -13,15 +13,9 @@
 # limitations under the License.
 
 import unittest
-import paddle.fluid as fluid
-import paddle.fluid.incubate.fleet.base.role_maker as role_maker
-from paddle.fluid.incubate.fleet.collective import CollectiveOptimizer, fleet
-from paddle.fluid.incubate.checkpoint.auto_checkpoint import ExeTrainStatus
 from paddle.fluid.incubate.checkpoint.checkpoint_saver import CheckpointSaver
-import os
-import sys
 
-from paddle.distributed.fleet.utils.fs import LocalFS, HDFSClient
+from paddle.distributed.fleet.utils.fs import HDFSClient
 from paddle.fluid.incubate.checkpoint.checkpoint_saver import CheckpointSaver
 
 

python/paddle/fluid/tests/unittests/test_cholesky_op.py

@@ -128,10 +128,8 @@ class TestCholeskySingularAPI(unittest.TestCase):
                                   fetch_list=[result])
             except RuntimeError as ex:
                 print("The mat is singular")
-                pass
             except ValueError as ex:
                 print("The mat is singular")
-                pass
 
     def test_static(self):
         for place in self.places:
@@ -148,10 +146,8 @@ class TestCholeskySingularAPI(unittest.TestCase):
                     result = paddle.cholesky(input)
                 except RuntimeError as ex:
                     print("The mat is singular")
-                    pass
                 except ValueError as ex:
                     print("The mat is singular")
-                    pass
 
 
 if __name__ == "__main__":

python/paddle/fluid/tests/unittests/test_chunk_op.py

@@ -14,7 +14,6 @@
 
 import unittest
 import numpy as np
-from op_test import OpTest
 import numpy as np
 from paddle.fluid import Program, program_guard
 from paddle import fluid

python/paddle/fluid/tests/unittests/test_class_center_sample_op.py

@@ -14,8 +14,6 @@
 
 import unittest
 import numpy as np
-import math
-import random
 import paddle
 import paddle.fluid.core as core
 from op_test import OpTest

python/paddle/fluid/tests/unittests/test_collect_fpn_proposals_op.py

@@ -14,8 +14,6 @@
 
 import unittest
 import numpy as np
-import math
-import sys
 from op_test import OpTest
 
 

python/paddle/fluid/tests/unittests/test_collective_api_base.py

@@ -14,19 +14,14 @@
 
 import numpy as np
 import unittest
-import time
-import argparse
 import os
 import sys
 import subprocess
-import traceback
-import functools
 import pickle
 import tempfile
 from contextlib import closing
 import paddle
 import paddle.fluid as fluid
-import paddle.fluid.unique_name as nameGen
 from paddle.fluid import core
 
 
@@ -157,7 +152,6 @@ def runtime_main(test_class, col_type):
     model.run_trainer(args)
 
 
-import paddle.compat as cpt
 import socket
 from contextlib import closing
 

python/paddle/fluid/tests/unittests/test_collective_base.py

@@ -15,12 +15,9 @@
 import numpy as np
 import unittest
 import time
-import argparse
 import os
 import sys
 import subprocess
-import traceback
-import functools
 import pickle
 import tempfile
 from contextlib import closing
@@ -130,7 +127,6 @@ def runtime_main(test_class, col_type, sub_type):
     model.run_trainer(args)
 
 
-import paddle.compat as cpt
 import socket
 from contextlib import closing
 

python/paddle/fluid/tests/unittests/test_communicator_async.py

@@ -15,8 +15,6 @@
 import os
 import unittest
 import time
-import threading
-import numpy
 
 import paddle
 

python/paddle/fluid/tests/unittests/test_communicator_geo.py

@@ -15,7 +15,6 @@
 import os
 import sys
 import time
-import threading
 import subprocess
 import unittest
 import numpy

python/paddle/fluid/tests/unittests/test_communicator_ps_gpu.py

@@ -15,8 +15,6 @@
 import os
 import unittest
 import time
-import threading
-import numpy
 import tempfile
 
 import paddle

python/paddle/fluid/tests/unittests/test_compare_reduce_op.py

@@ -17,7 +17,6 @@ import unittest
 import numpy as np
 import paddle
 import paddle.fluid as fluid
-from paddle.fluid import Program, program_guard
 
 
 def create_test_not_equal_class(op_type, typename, callback):

python/paddle/fluid/tests/unittests/test_complex_getitem.py

@@ -13,7 +13,6 @@
 # limitations under the License.
 
 import unittest
-import paddle
 import numpy as np
 import paddle.fluid as fluid
 import paddle.fluid.dygraph as dg

python/paddle/fluid/tests/unittests/test_complex_kron.py

@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from paddle import fluid, tensor
+from paddle import fluid
 import paddle
 import paddle.fluid.dygraph as dg
 import numpy as np

python/paddle/fluid/tests/unittests/test_complex_trace_layer.py

@@ -14,7 +14,6 @@
 
 import unittest
 import numpy as np
-import paddle
 from numpy.random import random as rand
 from paddle import tensor
 import paddle.fluid as fluid

python/paddle/fluid/tests/unittests/test_concat_op.py

@@ -16,7 +16,7 @@ import unittest
 import numpy as np
 from paddle.fluid.tests.unittests.op_test import OpTest, skip_check_grad_ci, convert_float_to_uint16
 import paddle.fluid as fluid
-from paddle.fluid import compiler, Program, program_guard, core
+from paddle.fluid import Program, core, program_guard
 from paddle.fluid.framework import _test_eager_guard
 import paddle
 import gradient_checker

python/paddle/fluid/tests/unittests/test_conj_op.py

@@ -15,12 +15,10 @@
 import unittest
 import numpy as np
 import paddle
-import paddle.fluid.core as core
 import sys
 
 sys.path.append("..")
 from op_test import OpTest
-from paddle.fluid import Program, program_guard
 import paddle.fluid.dygraph as dg
 import paddle.static as static
 from numpy.random import random as rand

python/paddle/fluid/tests/unittests/test_conv1d_layer.py

@@ -17,7 +17,6 @@ import paddle
 from paddle import fluid, nn
 import paddle.fluid.dygraph as dg
 import paddle.nn.functional as F
-import paddle.fluid.initializer as I
 import unittest
 
 

python/paddle/fluid/tests/unittests/test_conv1d_transpose_layer.py

@@ -17,7 +17,6 @@ import paddle
 from paddle import fluid, nn
 import paddle.fluid.dygraph as dg
 import paddle.nn.functional as F
-import paddle.fluid.initializer as I
 import unittest
 
 

python/paddle/fluid/tests/unittests/test_conv2d_api.py

@@ -20,8 +20,6 @@ import paddle
 paddle.enable_static()
 import paddle.fluid.core as core
 import paddle.fluid as fluid
-from op_test import OpTest
-from paddle.fluid import Program, program_guard
 
 
 class TestConv2DAPI(unittest.TestCase):

python/paddle/fluid/tests/unittests/test_conv2d_op_depthwise_conv.py

@@ -19,9 +19,6 @@ import paddle
 
 paddle.enable_static()
 import paddle.fluid.core as core
-import paddle.fluid as fluid
-from op_test import OpTest
-from paddle.fluid import Program, program_guard
 from test_conv2d_op import TestConv2DOp, TestConv2DOp_v2, create_test_padding_SAME_class, create_test_padding_VALID_class, create_test_channel_last_class, create_test_cudnn_padding_SAME_class, create_test_cudnn_channel_last_class
 
 #----------------TestDepthwiseConv -----

python/paddle/fluid/tests/unittests/test_conv2d_transpose_op_depthwise_conv.py

@@ -18,9 +18,6 @@ import numpy as np
 import paddle
 
 paddle.enable_static()
-import paddle.fluid.core as core
-import paddle.fluid as fluid
-from op_test import OpTest
 from test_conv2d_transpose_op import TestConv2DTransposeOp
 
 

python/paddle/fluid/tests/unittests/test_conv3d_transpose_op.py

@@ -19,7 +19,6 @@ import paddle
 
 paddle.enable_static()
 import paddle.fluid.core as core
-import paddle.fluid as fluid
 from op_test import OpTest
 
 

python/paddle/fluid/tests/unittests/test_conv3d_transpose_part2_op.py

@@ -17,7 +17,6 @@ import numpy as np
 
 import paddle.fluid.core as core
 import paddle.fluid as fluid
-from op_test import OpTest
 from test_conv3d_transpose_op import TestConv3DTransposeOp
 
 

python/paddle/fluid/tests/unittests/test_corr.py

@@ -15,10 +15,7 @@
 import paddle.fluid as fluid
 import unittest
 import numpy as np
-import six
 import paddle
-import warnings
-import sys
 
 np_minor_version = int((np.__version__).split('.')[1])
 

python/paddle/fluid/tests/unittests/test_cosine_similarity_api.py

@@ -14,7 +14,6 @@
 
 import unittest
 import numpy as np
-from op_test import OpTest
 import paddle
 import paddle.nn as nn
 import paddle.nn.functional as F

python/paddle/fluid/tests/unittests/test_count_nonzero_api.py

@@ -15,9 +15,7 @@
 import unittest
 import numpy as np
 import paddle
-import paddle.fluid as fluid
 import paddle.fluid.core as core
-from paddle.fluid import Program, program_guard
 
 np.random.seed(10)
 

python/paddle/fluid/tests/unittests/test_cov.py

@@ -15,9 +15,8 @@
 import paddle.fluid as fluid
 import unittest
 import numpy as np
-import six
 import paddle
-from paddle.fluid.framework import _test_eager_guard, in_dygraph_mode
+from paddle.fluid.framework import _test_eager_guard
 
 
 def numpy_cov(np_arr, rowvar=True, ddof=1, fweights=None, aweights=None):

python/paddle/fluid/tests/unittests/test_create_global_var.py

@@ -12,7 +12,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import os, shutil
 import unittest
 import numpy as np
 import paddle.fluid as fluid

python/paddle/fluid/tests/unittests/test_create_parameter.py

@@ -12,12 +12,10 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import os, shutil
 import unittest
 import numpy as np
 import paddle.fluid as fluid
 from paddle.fluid import Program, program_guard
-from paddle.fluid import ParamAttr, initializer
 import paddle
 
 

python/paddle/fluid/tests/unittests/test_cross_op.py

@@ -14,7 +14,6 @@
 
 import unittest
 import numpy as np
-import paddle.fluid.core as core
 from op_test import OpTest
 import paddle
 import paddle.fluid as fluid

python/paddle/fluid/tests/unittests/test_crypto.py

@@ -14,7 +14,6 @@
 
 from paddle.fluid.core import CipherUtils
 from paddle.fluid.core import CipherFactory
-from paddle.fluid.core import Cipher
 
 import unittest
 

python/paddle/fluid/tests/unittests/test_ctc_align.py

@@ -12,11 +12,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import sys
 import unittest
 import numpy as np
 from op_test import OpTest
-from test_softmax_op import stable_softmax
 import paddle.fluid as fluid
 import paddle
 
@@ -89,7 +87,6 @@ class TestCTCAlignOp(OpTest):
 
     def test_check_output(self):
         self.check_output()
-        pass
 
 
 class TestCTCAlignOpCase1(TestCTCAlignOp):

python/paddle/fluid/tests/unittests/test_cuda_graph.py

@@ -13,7 +13,6 @@
 # limitations under the License.
 
 import paddle
-import paddle.fluid as fluid
 from paddle.device.cuda.graphs import CUDAGraph
 import unittest
 import numpy as np

python/paddle/fluid/tests/unittests/test_cuda_graph_partial_graph_static.py

@@ -15,7 +15,6 @@
 import paddle
 import paddle.nn as nn
 import unittest
-import numpy as np
 from paddle.device.cuda.graphs import wrap_cuda_graph, is_cuda_graph_supported
 
 paddle.enable_static()

python/paddle/fluid/tests/unittests/test_cuda_max_memory_allocated.py

@@ -16,7 +16,7 @@ import paddle
 import unittest
 from paddle.fluid import core
 from paddle.device.cuda import device_count, memory_allocated, max_memory_allocated
-from paddle.fluid.framework import _test_eager_guard, _in_legacy_dygraph
+from paddle.fluid.framework import _test_eager_guard
 
 
 class TestMaxMemoryAllocated(unittest.TestCase):

python/paddle/fluid/tests/unittests/test_cuda_memory_allocated.py

@@ -14,7 +14,6 @@
 
 import paddle
 import unittest
-import numpy as np
 from paddle.fluid import core
 from paddle.device.cuda import device_count, memory_allocated
 

python/paddle/fluid/tests/unittests/test_cuda_memory_reserved.py

@@ -14,10 +14,9 @@
 
 import paddle
 import unittest
-import numpy as np
 from paddle.fluid import core
 from paddle.device.cuda import device_count, memory_reserved
-from paddle.fluid.framework import _test_eager_guard, _in_legacy_dygraph
+from paddle.fluid.framework import _test_eager_guard
 
 
 class TestMemoryreserved(unittest.TestCase):

python/paddle/fluid/tests/unittests/test_cuda_random_seed.py

@@ -15,7 +15,6 @@
 
 import os
 import unittest
-import paddle.fluid.generator as generator
 
 import time  # temp for debug
 import paddle.fluid as fluid

python/paddle/fluid/tests/unittests/test_cumprod_op.py

@@ -19,11 +19,7 @@ from op_test import OpTest
 import random
 import paddle
 
-import paddle.nn as nn
-import paddle.nn.functional as F
-import paddle.fluid as fluid
 import paddle.fluid.core as core
-from paddle.fluid import compiler, Program, program_guard
 
 np.random.seed(0)
 

python/paddle/fluid/tests/unittests/test_cumsum_op.py

@@ -20,7 +20,6 @@ from op_test import OpTest
 import paddle
 import paddle.fluid.core as core
 import paddle.fluid as fluid
-from paddle.fluid import compiler, Program, program_guard
 import paddle.inference as paddle_infer
 import gradient_checker
 from decorator_helper import prog_scope

python/paddle/fluid/tests/unittests/test_custom_grad_input.py

@@ -17,7 +17,6 @@ import numpy as np
 
 import paddle
 import paddle.fluid.dygraph as dg
-from op_test import OpTest
 from paddle.fluid.framework import _test_eager_guard
 
 

python/paddle/fluid/tests/unittests/test_cvm_op.py

@@ -14,7 +14,6 @@
 
 import numpy as np
 from math import log
-from math import exp
 from op_test import OpTest
 import unittest
 

python/paddle/fluid/tests/unittests/test_data_generator.py

@@ -10,12 +10,8 @@
 # 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
-import paddle
 import unittest
 import paddle.distributed.fleet as fleet
-import os
-import sys
-import platform
 
 
 class MyMultiSlotDataGenerator(fleet.MultiSlotDataGenerator):

python/paddle/fluid/tests/unittests/test_data_norm_op.py

@@ -18,10 +18,7 @@ import numpy as np
 import paddle.fluid.core as core
 from paddle.fluid.op import Operator
 import paddle.fluid as fluid
-import paddle.fluid.layers as layers
-import os
 from op_test import OpTest
-from paddle.fluid.framework import grad_var_name
 from paddle.fluid import Program, program_guard
 
 

python/paddle/fluid/tests/unittests/test_dataloader_autotune.py

@@ -19,7 +19,7 @@ import warnings
 import json
 import paddle
 import paddle.nn as nn
-from paddle.io import Dataset, DataLoader, BatchSampler, SequenceSampler
+from paddle.io import DataLoader, Dataset
 import sys
 import os
 

python/paddle/fluid/tests/unittests/test_dataloader_dataset.py

@@ -14,13 +14,11 @@
 
 import sys
 import unittest
-import numpy as np
 
 import paddle
 import paddle.vision.transforms as transforms
-import paddle.fluid as fluid
 from paddle.io import *
-from paddle.fluid.framework import _test_eager_guard, _in_legacy_dygraph
+from paddle.fluid.framework import _test_eager_guard
 
 
 class TestDatasetAbstract(unittest.TestCase):

python/paddle/fluid/tests/unittests/test_dataloader_early_reset.py

@@ -13,7 +13,6 @@
 # limitations under the License.
 
 import paddle.fluid as fluid
-import paddle
 import numpy as np
 import unittest
 

python/paddle/fluid/tests/unittests/test_dataset.py

@@ -20,9 +20,7 @@ import paddle
 import paddle.fluid as fluid
 import paddle.compat as cpt
 import paddle.fluid.core as core
-import numpy as np
 import os
-import shutil
 import tempfile
 import unittest
 

python/paddle/fluid/tests/unittests/test_dataset_consistency_inspection.py

@@ -17,13 +17,8 @@ TestCases for Dataset consistency insepection of use_var_list and data_generator
 
 import paddle
 import paddle.fluid as fluid
-import paddle.compat as cpt
-import paddle.fluid.core as core
-import numpy as np
-import random
 import math
 import os
-import shutil
 import tempfile
 import unittest
 import paddle.fluid.incubate.data_generator as dg

python/paddle/fluid/tests/unittests/test_debugger.py

@@ -13,7 +13,6 @@
 # limitations under the License.
 
 import unittest
-import paddle.fluid as fluid
 import paddle.fluid.core as core
 from paddle.fluid import debugger
 from paddle.fluid.framework import Program

python/paddle/fluid/tests/unittests/test_default_dtype.py

@@ -15,10 +15,6 @@
 import unittest
 import numpy as np
 from paddle.framework import set_default_dtype, get_default_dtype
-import paddle
-import paddle.fluid as fluid
-from paddle.fluid.dygraph import Linear
-import paddle.fluid.core as core
 
 
 class TestDefaultType(unittest.TestCase):

python/paddle/fluid/tests/unittests/test_deform_conv2d.py

@@ -13,7 +13,6 @@
 # limitations under the License.
 
 import paddle
-import paddle.nn.functional as F
 import paddle.nn.initializer as I
 import numpy as np
 import unittest

python/paddle/fluid/tests/unittests/test_deformable_conv_op.py

@@ -15,7 +15,6 @@
 import paddle
 import unittest
 import numpy as np
-import paddle.fluid.core as core
 import paddle.fluid as fluid
 from op_test import OpTest
 from paddle.fluid.framework import _test_eager_guard

python/paddle/fluid/tests/unittests/test_deformable_conv_v1_op.py

@@ -16,8 +16,7 @@ import paddle
 import unittest
 import numpy as np
 import paddle.fluid as fluid
-import paddle.fluid.core as core
-from op_test import OpTest, skip_check_grad_ci
+from op_test import OpTest
 from paddle.fluid.framework import _test_eager_guard
 
 paddle.enable_static()

python/paddle/fluid/tests/unittests/test_deformable_psroi_pooling.py

@@ -16,7 +16,6 @@ import unittest
 import numpy as np
 from op_test import OpTest
 import paddle.fluid as fluid
-from paddle.fluid import core
 from paddle.fluid import Program, program_guard
 
 

python/paddle/fluid/tests/unittests/test_deg2rad.py

@@ -17,8 +17,6 @@ import numpy as np
 import paddle
 import paddle.fluid as fluid
 import paddle.fluid.core as core
-from paddle.fluid import Program, program_guard
-from op_test import OpTest
 
 paddle.enable_static()
 

python/paddle/fluid/tests/unittests/test_density_prior_box_op.py

@@ -14,7 +14,6 @@
 
 import unittest
 import numpy as np
-import sys
 import math
 from op_test import OpTest
 

python/paddle/fluid/tests/unittests/test_deprecated_decorator.py

@@ -16,13 +16,11 @@ import paddle
 import numpy as np
 import paddle
 import paddle.fluid as fluid
-from paddle.static import Program, program_guard
 import unittest
-import paddle.fluid.core as core
 import sys
 import warnings
 import paddle.utils.deprecated as deprecated
-from paddle import _C_ops, _legacy_C_ops
+from paddle import _legacy_C_ops
 
 LOWEST_WARNING_POSTION = 3
 ERROR_WARNING_POSTION = sys.maxsize

python/paddle/fluid/tests/unittests/test_dequantize_log_op.py

@@ -14,7 +14,6 @@
 
 import unittest
 import numpy as np
-import math
 from op_test import OpTest
 
 

python/paddle/fluid/tests/unittests/test_desc_clone.py

@@ -12,20 +12,10 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import numpy as np
-import argparse
-import time
-import math
-import sys
-
 import paddle
 import paddle.fluid as fluid
-import paddle.fluid.profiler as profiler
 from paddle.fluid import core
 import unittest
-from multiprocessing import Process
-import os
-import signal
 import six
 import collections
 

python/paddle/fluid/tests/unittests/test_detection_map_op.py

@@ -15,10 +15,8 @@
 import unittest
 import numpy as np
 import six
-import sys
 import collections
 import math
-import paddle.fluid as fluid
 from op_test import OpTest
 
 

python/paddle/fluid/tests/unittests/test_determinant_op.py

@@ -16,10 +16,6 @@ import unittest
 import numpy as np
 from op_test import OpTest
 import paddle
-import paddle.nn.functional as F
-import paddle.fluid as fluid
-import paddle.fluid.core as core
-import paddle.tensor as tensor
 from paddle.fluid.framework import _test_eager_guard
 
 paddle.enable_static()

python/paddle/fluid/tests/unittests/test_device_guard.py

@@ -13,9 +13,7 @@
 # limitations under the License.
 
 import unittest
-from op_test import OpTest
 
-import numpy as np
 import paddle
 import paddle.fluid as fluid
 import paddle.fluid.core as core

python/paddle/fluid/tests/unittests/test_diag.py

@@ -17,7 +17,6 @@ import numpy as np
 from op_test import OpTest
 import paddle
 import paddle.fluid as fluid
-from paddle.fluid import core
 from paddle.fluid import Program, program_guard
 
 

python/paddle/fluid/tests/unittests/test_diag_embed.py

@@ -17,7 +17,6 @@ import numpy as np
 from op_test import OpTest
 import paddle.nn.functional as F
 import paddle.fluid as fluid
-import paddle.fluid.dygraph as dg
 import paddle.fluid.core as core
 
 

python/paddle/fluid/tests/unittests/test_diag_v2.py

@@ -17,7 +17,6 @@ import numpy as np
 from op_test import OpTest
 import paddle
 import paddle.fluid as fluid
-from paddle.fluid import core
 from paddle.fluid import Program, program_guard
 from paddle.fluid.framework import _test_eager_guard
 

python/paddle/fluid/tests/unittests/test_diagonal_op.py

@@ -16,10 +16,6 @@ import unittest
 import numpy as np
 from op_test import OpTest
 import paddle
-import paddle.nn.functional as F
-import paddle.fluid as fluid
-import paddle.fluid.core as core
-import paddle.tensor as tensor
 from paddle.fluid.framework import _test_eager_guard
 
 paddle.enable_static()

python/paddle/fluid/tests/unittests/test_diff_op.py

@@ -14,10 +14,8 @@
 
 import unittest
 import numpy as np
-from op_test import OpTest
 import paddle
 import paddle.fluid as fluid
-import paddle.fluid.layers as layers
 import paddle.fluid.core as core
 from paddle.fluid.framework import _test_eager_guard
 

python/paddle/fluid/tests/unittests/test_digamma_op.py

@@ -13,7 +13,6 @@
 # limitations under the License.
 
 import unittest
-import math
 import numpy as np
 from scipy.special import psi
 import paddle

python/paddle/fluid/tests/unittests/test_directory_migration.py

@@ -14,14 +14,10 @@
 
 import os
 import sys
-import time
 import tempfile
 import subprocess
 import unittest
 
-import numpy as np
-import paddle
-
 
 class TestDirectory(unittest.TestCase):
 

python/paddle/fluid/tests/unittests/test_disable_signal_handler.py

@@ -13,9 +13,7 @@
 # limitations under the License.
 
 import unittest
-import numpy as np
-import signal, os
-import paddle
+import signal
 import subprocess
 
 SignalsToTest = {

python/paddle/fluid/tests/unittests/test_dist_base.py

@@ -18,7 +18,6 @@ import ast
 import unittest
 import os
 import sys
-import signal
 import subprocess
 import six
 import argparse
@@ -30,10 +29,7 @@ import time
 import paddle
 import paddle.fluid as fluid
 from paddle.fluid import compiler
-import paddle.fluid.core as core
 import paddle.fluid.dygraph as dygraph
-from paddle.fluid.dygraph.base import to_variable
-from paddle.fluid.dygraph.parallel import DataParallel, ParallelEnv
 from paddle.fluid.framework import _test_eager_guard
 from paddle.fluid.incubate.fleet.collective import fleet, DistributedStrategy
 import paddle.fluid.incubate.fleet.base.role_maker as role_maker
@@ -655,7 +651,6 @@ class TestParallelDyGraphRunnerBase(object):
 
     def run_use_fleet_api_trainer(self, args):
         import paddle.distributed.fleet as fleet
-        import paddle.distributed.fleet.base.role_maker as role_maker
         # 1. enable dygraph
         paddle.disable_static()
 
@@ -783,7 +778,6 @@ def runtime_main(test_class):
         model.run_trainer(args)
 
 
-import paddle.compat as cpt
 import socket
 from contextlib import closing
 

python/paddle/fluid/tests/unittests/test_dist_fleet_a_sync_optimizer_async.py

@@ -13,12 +13,10 @@
 # limitations under the License.
 
 import os
-import time
 import unittest
 
 import paddle
 import paddle.distributed.fleet.base.role_maker as role_maker
-import paddle.fluid.transpiler.details.program_utils as pu
 
 paddle.enable_static()
 

python/paddle/fluid/tests/unittests/test_dist_fleet_a_sync_optimizer_auto.py

@@ -16,7 +16,6 @@ import unittest
 import paddle
 import os
 import paddle.distributed.fleet.base.role_maker as role_maker
-import time
 
 paddle.enable_static()
 

python/paddle/fluid/tests/unittests/test_dist_fleet_a_sync_optimizer_auto_async.py

@@ -18,7 +18,6 @@ os.environ["WITH_DISTRIBUTE"] = "ON"
 import unittest
 import paddle
 import paddle.distributed.fleet.base.role_maker as role_maker
-import time
 
 paddle.enable_static()
 

python/paddle/fluid/tests/unittests/test_dist_fleet_a_sync_optimizer_auto_geo.py

@@ -17,7 +17,6 @@ os.environ["WITH_DISTRIBUTE"] = "ON"
 import unittest
 import paddle
 import paddle.distributed.fleet.base.role_maker as role_maker
-import time
 
 paddle.enable_static()
 

python/paddle/fluid/tests/unittests/test_dist_fleet_a_sync_optimizer_geo.py

@@ -16,7 +16,6 @@ import os
 import unittest
 import paddle
 import paddle.distributed.fleet.base.role_maker as role_maker
-import time
 
 paddle.enable_static()
 

python/paddle/fluid/tests/unittests/test_dist_fleet_a_sync_optimizer_sync.py

@@ -17,7 +17,6 @@ import paddle
 import os
 import paddle.distributed.fleet as fleet
 import paddle.distributed.fleet.base.role_maker as role_maker
-import time
 
 paddle.enable_static()
 

python/paddle/fluid/tests/unittests/test_dist_fleet_base.py

@@ -13,7 +13,6 @@
 # limitations under the License.
 
 from paddle.distributed.fleet.utils.ps_util import DistributedInfer
-from paddle.fluid.incubate.fleet.parameter_server.distribute_transpiler.distributed_strategy import StrategyFactory
 import paddle.distributed.fleet as fleet
 import paddle.distributed.fleet.base.role_maker as role_maker
 import paddle.fluid as fluid
@@ -26,9 +25,7 @@ import os
 import sys
 import subprocess
 
-import six
 import shutil
-import numpy as np
 import argparse
 from contextlib import closing
 import socket

python/paddle/fluid/tests/unittests/test_dist_fleet_ctr.py

@@ -14,7 +14,6 @@
 
 import os
 import unittest
-import tempfile
 from test_dist_fleet_base import TestFleetBase
 
 

python/paddle/fluid/tests/unittests/test_dist_fleet_decay.py

@@ -15,7 +15,6 @@
 import paddle.distributed.fleet as fleet
 import paddle.distributed.fleet.base.role_maker as role_maker
 import paddle.fluid as fluid
-import os
 import unittest
 import paddle
 

python/paddle/fluid/tests/unittests/test_dist_fleet_gloo.py

@@ -18,11 +18,7 @@ import tempfile
 import unittest
 import subprocess
 import time
-import paddle.fluid as fluid
 #import paddle.fluid.incubate.fleet.base.role_maker as role_maker
-import paddle.distributed.fleet.base.role_maker as role_maker
-from paddle.fluid.incubate.fleet.parameter_server.distribute_transpiler import fleet
-from paddle.fluid.incubate.fleet.parameter_server.distribute_transpiler.distributed_strategy import StrategyFactory
 from test_dist_fleet_base import TestFleetBase
 
 #from dist_simnet_bow import train_network

python/paddle/fluid/tests/unittests/test_dist_fleet_heter_base.py

@@ -19,9 +19,7 @@ import os
 import sys
 import subprocess
 
-import six
 import shutil
-import numpy as np
 import argparse
 from contextlib import closing
 import socket

python/paddle/fluid/tests/unittests/test_dist_fleet_infer.py

@@ -16,9 +16,7 @@ import os
 import shutil
 import unittest
 import tempfile
-import tarfile
 from test_dist_fleet_base import TestFleetBase
-from paddle.dataset.common import download, DATA_HOME
 
 
 class TestDistCtrInfer(TestFleetBase):

python/paddle/fluid/tests/unittests/test_dist_fleet_ps.py

@@ -12,7 +12,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import os
 import unittest
 
 import paddle

python/paddle/fluid/tests/unittests/test_dist_fleet_ps11.py

@@ -14,8 +14,6 @@
 
 import os
 import unittest
-import tempfile
-import shutil
 
 import paddle
 import paddle.fluid as fluid

python/paddle/fluid/tests/unittests/test_dist_fleet_ps12.py

@@ -17,8 +17,6 @@ import os
 os.environ["WITH_DISTRIBUTE"] = "ON"
 
 import unittest
-import tempfile
-import shutil
 
 import paddle
 import paddle.fluid as fluid

python/paddle/fluid/tests/unittests/test_dist_fleet_ps13.py

@@ -17,8 +17,6 @@ import os
 os.environ["WITH_DISTRIBUTE"] = "ON"
 
 import unittest
-import tempfile
-import shutil
 
 import paddle
 import paddle.fluid as fluid

python/paddle/fluid/tests/unittests/test_dist_fleet_ps2.py

@@ -17,8 +17,6 @@ import os
 os.environ["WITH_DISTRIBUTE"] = "ON"
 
 import unittest
-import tempfile
-import shutil
 
 import paddle
 import paddle.fluid as fluid

python/paddle/fluid/tests/unittests/test_dist_fleet_ps3.py

@@ -12,7 +12,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import os
 import unittest
 
 import paddle

python/paddle/fluid/tests/unittests/test_dist_fleet_ps4.py

@@ -12,7 +12,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import os
 import unittest
 
 import paddle

python/paddle/fluid/tests/unittests/test_dist_fleet_ps5.py

@@ -12,7 +12,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import os
 import unittest
 
 import paddle

python/paddle/fluid/tests/unittests/test_dist_fleet_ps6.py

@@ -12,7 +12,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import os
 import unittest
 
 import paddle

python/paddle/fluid/tests/unittests/test_dist_fleet_simnet.py

@@ -14,7 +14,6 @@
 
 import os
 import unittest
-import tempfile
 from test_dist_fleet_base import TestFleetBase
 import paddle
 

python/paddle/fluid/tests/unittests/test_dist_fleet_trainer_desc_config.py

@@ -13,13 +13,11 @@
 # limitations under the License.
 
 import os
-import time
 import unittest
 
 os.environ["WITH_DISTRIBUTE"] = "ON"
 import paddle
 import paddle.distributed.fleet.base.role_maker as role_maker
-import paddle.fluid.transpiler.details.program_utils as pu
 
 paddle.enable_static()
 

python/paddle/fluid/tests/unittests/test_dist_save_load.py

@@ -19,7 +19,7 @@ import tempfile
 
 import numpy as np
 
-from test_dist_base import TestDistBase, RUN_STEP
+from test_dist_base import TestDistBase
 
 import os
 

python/paddle/fluid/tests/unittests/test_dist_sparse_load_ps0.py

@@ -17,10 +17,8 @@ import unittest
 import numpy as np
 import tempfile
 import shutil
-from op_test import OpTest, randomize_probability
 import paddle
 import paddle.fluid as fluid
-import paddle.fluid.layers as layers
 import paddle.distributed.fleet.base.role_maker as role_maker
 from paddle.distributed.fleet import fleet
 

python/paddle/fluid/tests/unittests/test_dist_sparse_load_ps1.py

@@ -15,12 +15,9 @@
 import os
 import unittest
 import numpy as np
-import tempfile
 import shutil
-from op_test import OpTest, randomize_probability
 import paddle
 import paddle.fluid as fluid
-import paddle.fluid.layers as layers
 import paddle.distributed.fleet.base.role_maker as role_maker
 from paddle.distributed.fleet import fleet
 from test_dist_sparse_load_ps0 import SparseLoadOp

python/paddle/fluid/tests/unittests/test_dist_sparse_tensor_load_adagrad.py

@@ -12,16 +12,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import os
 import unittest
-import numpy as np
-import tempfile
-import shutil
-from op_test import OpTest, randomize_probability
 import paddle
 import paddle.fluid as fluid
-import paddle.fluid.layers as layers
-import paddle.distributed.fleet.base.role_maker as role_maker
 from paddle.distributed.fleet import fleet
 from test_dist_sparse_tensor_load_sgd import TestSparseLoadProgram
 

python/paddle/fluid/tests/unittests/test_dist_sparse_tensor_load_adam.py

@@ -12,16 +12,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import os
 import unittest
-import numpy as np
-import tempfile
-import shutil
-from op_test import OpTest, randomize_probability
 import paddle
 import paddle.fluid as fluid
-import paddle.fluid.layers as layers
-import paddle.distributed.fleet.base.role_maker as role_maker
 from paddle.distributed.fleet import fleet
 from test_dist_sparse_tensor_load_sgd import TestSparseLoadProgram
 

python/paddle/fluid/tests/unittests/test_dist_sparse_tensor_load_ftrl.py

@@ -12,16 +12,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import os
 import unittest
-import numpy as np
-import tempfile
-import shutil
-from op_test import OpTest, randomize_probability
 import paddle
 import paddle.fluid as fluid
-import paddle.fluid.layers as layers
-import paddle.distributed.fleet.base.role_maker as role_maker
 from paddle.distributed.fleet import fleet
 from test_dist_sparse_tensor_load_sgd import TestSparseLoadProgram
 

python/paddle/fluid/tests/unittests/test_dist_sparse_tensor_load_momentum.py

@@ -12,16 +12,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import os
 import unittest
-import numpy as np
-import tempfile
-import shutil
-from op_test import OpTest, randomize_probability
 import paddle
 import paddle.fluid as fluid
-import paddle.fluid.layers as layers
-import paddle.distributed.fleet.base.role_maker as role_maker
 from paddle.distributed.fleet import fleet
 from test_dist_sparse_tensor_load_sgd import TestSparseLoadProgram
 

python/paddle/fluid/tests/unittests/test_dist_sparse_tensor_load_rmsprop.py

@@ -12,16 +12,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import os
 import unittest
-import numpy as np
-import tempfile
-import shutil
-from op_test import OpTest, randomize_probability
 import paddle
 import paddle.fluid as fluid
-import paddle.fluid.layers as layers
-import paddle.distributed.fleet.base.role_maker as role_maker
 from paddle.distributed.fleet import fleet
 from test_dist_sparse_tensor_load_sgd import TestSparseLoadProgram
 

python/paddle/fluid/tests/unittests/test_dist_sparse_tensor_load_sgd.py

@@ -14,13 +14,8 @@
 
 import os
 import unittest
-import numpy as np
-import tempfile
-import shutil
-from op_test import OpTest, randomize_probability
 import paddle
 import paddle.fluid as fluid
-import paddle.fluid.layers as layers
 import paddle.distributed.fleet.base.role_maker as role_maker
 from paddle.distributed.fleet import fleet
 

python/paddle/fluid/tests/unittests/test_dist_transpiler.py

@@ -12,9 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import traceback
 import math
-import collections
 
 import six
 import unittest

python/paddle/fluid/tests/unittests/test_dist_tree_index.py

@@ -15,10 +15,9 @@
 import os
 import tempfile
 import unittest
-from paddle.dataset.common import download, DATA_HOME
+from paddle.dataset.common import download
 from paddle.distributed.fleet.dataset import TreeIndex
 import paddle.fluid as fluid
-import paddle.fluid.core as core
 import paddle
 
 paddle.enable_static()

python/paddle/fluid/tests/unittests/test_distribute_fpn_proposals_op.py

@@ -14,8 +14,6 @@
 
 import unittest
 import numpy as np
-import math
-import sys
 import paddle
 
 from op_test import OpTest

python/paddle/fluid/tests/unittests/test_dot_op.py

@@ -17,9 +17,8 @@ import paddle.fluid as fluid
 import paddle.fluid.core as core
 import unittest
 import numpy as np
-from op_test import OpTest, skip_check_grad_ci
-from paddle.fluid.op import Operator
-from paddle.fluid import compiler, Program, program_guard
+from op_test import OpTest
+from paddle.fluid import Program, program_guard
 
 
 class DotOp(OpTest):

python/paddle/fluid/tests/unittests/test_downpoursgd.py

@@ -16,14 +16,8 @@
 import paddle
 import paddle.fluid as fluid
 import os
-import signal
-import subprocess
-import time
 import unittest
 import sys
-from op_test import OpTest
-from paddle.fluid.trainer_desc import DistMultiTrainer
-from paddle.fluid.device_worker import DownpourSGD, DownpourSGDOPT
 from paddle.fluid.incubate.fleet.parameter_server.pslib.node import DownpourWorker, DownpourServer
 from google.protobuf import text_format
 import paddle.fluid.incubate.fleet.parameter_server.pslib.ps_pb2 as pslib

python/paddle/fluid/tests/unittests/test_dropout_nd_op.py

@@ -14,13 +14,13 @@
 
 import unittest
 import numpy as np
-from op_test import OpTest, convert_float_to_uint16
+from op_test import OpTest
 import paddle
 import paddle.fluid as fluid
 import paddle.fluid.core as core
 from paddle.fluid.layer_helper import LayerHelper
 from paddle.fluid.framework import _non_static_mode
-from paddle import _C_ops, _legacy_C_ops
+from paddle import _legacy_C_ops
 from paddle.static import default_main_program
 
 

python/paddle/fluid/tests/unittests/test_dropout_op.py

@@ -21,9 +21,8 @@ import paddle.static as static
 import paddle.fluid as fluid
 from paddle.fluid import Program, program_guard
 from paddle.fluid.framework import _test_eager_guard, _enable_legacy_dygraph
-import os
 
-from paddle import _C_ops, _legacy_C_ops
+from paddle import _C_ops
 
 
 class TestDropoutOp(OpTest):

python/paddle/fluid/tests/unittests/test_dygraph_multi_forward.py

@@ -12,7 +12,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import contextlib
 import unittest
 import numpy as np
 import six

python/paddle/fluid/tests/unittests/test_dygraph_weight_norm.py

@@ -18,7 +18,6 @@ import collections
 from functools import reduce
 import paddle
 import paddle.fluid as fluid
-import paddle.fluid.core as core
 from paddle.nn.utils import weight_norm, remove_weight_norm
 
 

python/paddle/fluid/tests/unittests/test_eager_deletion_conditional_block.py

@@ -17,7 +17,5 @@ import unittest
 
 fluid.core._set_eager_deletion_mode(0.0, 1.0, True)
 
-from test_conditional_block import *
-
 if __name__ == '__main__':
     unittest.main()

python/paddle/fluid/tests/unittests/test_eager_deletion_dynamic_rnn_base.py

@@ -23,7 +23,6 @@ import paddle
 import paddle.fluid.core as core
 import paddle.fluid as fluid
 from paddle.fluid import compiler
-import numpy as np
 from fake_reader import fake_imdb_reader
 
 

python/paddle/fluid/tests/unittests/test_eager_deletion_mnist.py

@@ -12,7 +12,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import os
 import unittest
 import paddle.fluid as fluid
 

python/paddle/fluid/tests/unittests/test_eager_deletion_padding_rnn.py

@@ -16,7 +16,6 @@ import unittest
 import numpy as np
 import paddle
 import paddle.fluid as fluid
-import paddle.fluid.core as core
 import paddle.fluid.layers as layers
 import os
 

python/paddle/fluid/tests/unittests/test_eager_deletion_recurrent_op.py

@@ -15,7 +15,6 @@
 import os
 import numpy as np
 import paddle.fluid as fluid
-import paddle.fluid.compiler as compiler
 import paddle.fluid.core as core
 import paddle.fluid.layers as layers
 import unittest

python/paddle/fluid/tests/unittests/test_eager_deletion_while_op.py

@@ -21,7 +21,6 @@ import paddle.fluid as fluid
 import paddle.fluid.layers as layers
 from paddle.fluid.executor import Executor
 import paddle.fluid.core as core
-from paddle.fluid.backward import append_backward
 import paddle.fluid.compiler as compiler
 import numpy
 import multiprocessing

python/paddle/fluid/tests/unittests/test_eager_run_program.py

@@ -14,13 +14,12 @@
 
 import paddle
 import numpy as np
-from paddle import _C_ops, _legacy_C_ops
+from paddle import _legacy_C_ops
 from paddle.fluid.framework import _test_eager_guard, Variable, _in_legacy_dygraph
 from paddle.fluid import core
 from paddle.fluid.layers.utils import _hash_with_id
 from paddle.fluid.dygraph.base import switch_to_static_graph
 from paddle.fluid.executor import _is_enable_standalone_executor, _is_dy2st_enable_standalone_executor
-import paddle.compat as cpt
 
 import unittest
 

python/paddle/fluid/tests/unittests/test_eager_trace_op.py

@@ -14,12 +14,7 @@
 
 import unittest
 import numpy as np
-from op_test import OpTest
 import paddle
-import paddle.fluid.core as core
-from paddle import _C_ops, _legacy_C_ops
-import paddle.fluid as fluid
-from paddle.fluid import Program, program_guard
 from paddle.fluid.framework import _test_eager_guard
 
 

python/paddle/fluid/tests/unittests/test_egr_code_generate_api.py

@@ -12,7 +12,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import paddle.fluid.core as core
 import paddle
 import numpy as np
 from paddle.fluid.framework import _test_eager_guard

python/paddle/fluid/tests/unittests/test_egr_python_api.py

@@ -15,11 +15,9 @@
 import paddle.fluid.core as core
 import paddle
 import numpy as np
-from paddle.fluid.framework import _test_eager_guard, EagerParamBase, _in_legacy_dygraph, in_dygraph_mode, _current_expected_place, _disable_legacy_dygraph
-from paddle.fluid.data_feeder import convert_dtype
+from paddle.fluid.framework import EagerParamBase, _current_expected_place, _disable_legacy_dygraph, _test_eager_guard, in_dygraph_mode
 import unittest
 import copy
-import paddle.compat as cpt
 
 
 class EagerScaleTestCase(unittest.TestCase):

python/paddle/fluid/tests/unittests/test_egr_string_tensor_api.py

@@ -13,11 +13,9 @@
 # limitations under the License.
 
 import paddle.fluid.core as core
-import paddle
 import numpy as np
-from paddle.fluid.framework import _test_eager_guard, in_dygraph_mode
+from paddle.fluid.framework import _test_eager_guard
 import unittest
-import copy
 
 
 class EagerStringTensorTestCase(unittest.TestCase):

python/paddle/fluid/tests/unittests/test_eig_op.py

@@ -18,8 +18,6 @@ import paddle.fluid as fluid
 import paddle.fluid.core as core
 from op_test import OpTest, skip_check_grad_ci
 import unittest
-from paddle.fluid.op import Operator
-from paddle.fluid import compiler, Program, program_guard
 
 
 # cast output to complex for numpy.linalg.eig

python/paddle/fluid/tests/unittests/test_eigh_op.py

@@ -16,7 +16,6 @@ import unittest
 import numpy as np
 import paddle
 from op_test import OpTest
-from gradient_checker import grad_check
 
 
 def valid_eigh_result(A, eigh_value, eigh_vector, uplo):

python/paddle/fluid/tests/unittests/test_eigvals_op.py

@@ -14,7 +14,6 @@
 
 import paddle
 import unittest
-import paddle.fluid as fluid
 import paddle.fluid.core as core
 import numpy as np
 from op_test import OpTest

python/paddle/fluid/tests/unittests/test_eigvalsh_op.py

@@ -16,7 +16,6 @@ import unittest
 import numpy as np
 import paddle
 from op_test import OpTest
-from gradient_checker import grad_check
 
 
 def compare_result(actual, expected):

python/paddle/fluid/tests/unittests/test_einsum.py

@@ -13,7 +13,6 @@
 # limitations under the License.
 
 import numpy as np
-import contextlib
 import unittest
 import paddle
 from paddle.fluid import core

python/paddle/fluid/tests/unittests/test_einsum_v2.py

@@ -13,11 +13,9 @@
 # limitations under the License.
 
 import numpy as np
-import contextlib
 import unittest
 import paddle
 from paddle.fluid import core
-from paddle.fluid.dygraph.amp.auto_cast import _is_gpu_bfloat16_supported
 
 import os
 

python/paddle/fluid/tests/unittests/test_elementwise_add_op.py

@@ -18,7 +18,7 @@ import paddle
 import paddle.fluid.core as core
 from paddle.fluid.tests.unittests.op_test import OpTest, skip_check_grad_ci, convert_float_to_uint16
 import paddle.fluid as fluid
-from paddle.fluid import compiler, Program, program_guard
+from paddle.fluid import Program, program_guard
 from paddle.fluid.framework import _test_eager_guard
 
 

python/paddle/fluid/tests/unittests/test_elementwise_floordiv_op.py

@@ -16,7 +16,6 @@ import unittest
 import numpy as np
 import paddle
 import paddle.fluid as fluid
-import paddle.fluid.core as core
 from op_test import OpTest
 
 import random

python/paddle/fluid/tests/unittests/test_elementwise_max_op.py

@@ -15,8 +15,6 @@
 import unittest
 import numpy as np
 from op_test import OpTest, skip_check_grad_ci, convert_float_to_uint16
-import os
-import re
 import paddle.fluid.core as core
 import paddle
 

python/paddle/fluid/tests/unittests/test_elementwise_mod_op.py

@@ -16,7 +16,6 @@ import unittest
 import numpy as np
 import paddle
 import paddle.fluid as fluid
-import paddle.fluid.core as core
 from op_test import OpTest
 
 import random

python/paddle/fluid/tests/unittests/test_elementwise_mul_op.py

@@ -18,8 +18,7 @@ import numpy as np
 import paddle
 import paddle.fluid as fluid
 import paddle.fluid.core as core
-from paddle.fluid import Program, compiler, program_guard
-from paddle.fluid.op import Operator
+from paddle.fluid import Program, program_guard
 
 from paddle.fluid.tests.unittests.op_test import OpTest, skip_check_grad_ci, convert_float_to_uint16
 

python/paddle/fluid/tests/unittests/test_elementwise_sub_op.py

@@ -16,7 +16,6 @@ import unittest
 import numpy as np
 import paddle
 import paddle.fluid as fluid
-import paddle.fluid.core as core
 from op_test import OpTest, skip_check_grad_ci, convert_float_to_uint16
 from paddle.fluid.framework import _test_eager_guard
 

python/paddle/fluid/tests/unittests/test_empty_like_op.py

@@ -15,7 +15,6 @@
 import unittest
 import numpy as np
 import paddle
-import paddle.fluid as fluid
 from paddle.fluid.data_feeder import convert_dtype
 import paddle.fluid.core as core
 from paddle.static import program_guard, Program

python/paddle/fluid/tests/unittests/test_empty_op.py

@@ -17,7 +17,6 @@ import numpy as np
 import paddle
 import paddle.fluid as fluid
 from op_test import OpTest
-from paddle.fluid import Program, program_guard
 from paddle.fluid.framework import convert_np_dtype_to_dtype_
 
 

python/paddle/fluid/tests/unittests/test_entry_attr2.py

@@ -18,8 +18,6 @@ paddle.enable_static()
 
 import unittest
 import paddle.fluid as fluid
-from paddle.fluid.framework import default_main_program
-from paddle.fluid.entry_attr import ProbabilityEntry, CountFilterEntry
 
 
 class EntryAttrChecks(unittest.TestCase):

python/paddle/fluid/tests/unittests/test_executor_and_mul.py

@@ -15,7 +15,6 @@
 import unittest
 
 import numpy as np
-import paddle.fluid.core as core
 from paddle.fluid.executor import Executor
 from paddle.fluid.layers import mul, data, zeros, array_write, increment
 

python/paddle/fluid/tests/unittests/test_executor_check_feed.py

@@ -14,9 +14,7 @@
 
 import unittest
 
-import numpy
 import paddle
-import paddle.fluid.core as core
 import paddle.fluid as fluid
 
 

python/paddle/fluid/tests/unittests/test_executor_feed_non_tensor.py

@@ -16,7 +16,6 @@ import unittest
 
 import numpy
 import paddle
-import paddle.fluid.core as core
 import paddle.fluid as fluid
 
 

python/paddle/fluid/tests/unittests/test_executor_return_tensor_not_overwriting.py

@@ -14,7 +14,6 @@
 
 import unittest
 import numpy as np
-import paddle.fluid.core as core
 import paddle.fluid as fluid
 from op_test import OpTest, skip_check_grad_ci
 

python/paddle/fluid/tests/unittests/test_expand_op.py

@@ -16,7 +16,7 @@ import unittest
 import numpy as np
 from op_test import OpTest
 import paddle.fluid as fluid
-from paddle.fluid import compiler, Program, program_guard
+from paddle.fluid import Program, program_guard
 import paddle
 
 

python/paddle/fluid/tests/unittests/test_expand_v2_op.py

@@ -16,7 +16,7 @@ import unittest
 import numpy as np
 from op_test import OpTest
 import paddle.fluid as fluid
-from paddle.fluid import compiler, Program, program_guard, core
+from paddle.fluid import Program, core, program_guard
 import paddle
 from paddle.fluid.framework import _test_eager_guard
 import gradient_checker

python/paddle/fluid/tests/unittests/test_exponential_op.py

@@ -16,7 +16,6 @@ import unittest
 import paddle
 import numpy as np
 from op_test import OpTest
-import os
 
 paddle.seed(100)