[CodeStyle][F401] remove unused import in unittests/test_[f-j] (#46697)

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

@@ -16,7 +16,6 @@ import unittest
 import numpy as np
 import math
 from op_test import OpTest
-import paddle.fluid.core as core
 
 
 def quantize_max_abs(x, max_range):

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

@@ -12,17 +12,15 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import io
 import os
 import unittest
 
 import numpy as np
 import paddle
 import paddle.nn as nn
-from paddle.dataset.common import DATA_HOME
 from paddle.fluid.framework import core, _non_static_mode, _test_eager_guard
 from paddle.fluid.layer_helper import LayerHelper
-from paddle import _C_ops, _legacy_C_ops
+from paddle import _legacy_C_ops
 
 import sys
 import tempfile

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

@@ -19,7 +19,6 @@ import paddle
 import paddle.fluid as fluid
 import paddle.fluid.compiler as compiler
 import paddle.fluid.core as core
-import six
 import unittest
 
 os.environ['CPU_NUM'] = str(4)

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

@@ -15,8 +15,6 @@
 import os
 import numpy as np
 import unittest
-import random
-import paddle
 import paddle.fluid as fluid
 import paddle.fluid.layers as layers
 from simple_nets import simple_fc_net_with_inputs, simple_fc_net

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

@@ -14,10 +14,8 @@
 
 import os
 import unittest
-import random
 import numpy as np
 import paddle.fluid as fluid
-import six
 import paddle
 
 os.environ["CPU_NUM"] = "2"

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

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

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

@@ -13,10 +13,7 @@
 # limitations under the License.
 
 import paddle
-import paddle.fluid as fluid
 import paddle.fluid.core as core
-from paddle.fluid import Program, program_guard
-import paddle.compat as cpt
 import unittest
 import numpy as np
 from op_test import OpTest, convert_float_to_uint16

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

@@ -13,12 +13,9 @@
 # limitations under the License.
 
 import paddle
-import paddle.fluid.core as core
-from paddle.fluid.framework import _test_eager_guard, in_dygraph_mode
 import unittest
 import numpy as np
 from op_test import OpTest
-from paddle.tensor.manipulation import fill_
 
 
 class TestFillAnyOp(OpTest):

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

@@ -13,9 +13,6 @@
 # limitations under the License.
 
 import paddle
-import paddle.fluid.core as core
-from paddle.static import program_guard, Program
-import paddle.compat as cpt
 import unittest
 import numpy as np
 from op_test import OpTest

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

@@ -21,7 +21,7 @@ import paddle.fluid.core as core
 from paddle.fluid.op import Operator
 import paddle.fluid as fluid
 import numpy as np
-from paddle.fluid import compiler, Program, program_guard
+from paddle.fluid import Program, program_guard
 
 
 # Situation 1: Attr(shape) is a list(without tensor)

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

@@ -12,14 +12,10 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import paddle.fluid as fluid
-import paddle.nn.functional as F
 import unittest
 import numpy as np
-import six
 import paddle
 from op_test import OpTest
-from paddle.fluid.layers import core
 
 
 def fill_diagonal_ndarray(x, value, offset=0, dim1=0, dim2=1):

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

@@ -15,13 +15,7 @@
 
 import unittest
 import numpy as np
-import paddle.fluid as fluid
-import paddle.fluid.core as core
-import paddle.fluid.layers as layers
 from op_test import OpTest
-import random
-from decorator_helper import prog_scope
-from paddle.fluid.op import Operator
 """This is Test Case 1"""
 
 

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

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

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

@@ -15,7 +15,6 @@
 
 import os
 import unittest
-import paddle.fluid.incubate.fleet.base.role_maker as role_maker
 
 
 class TestFleet1(unittest.TestCase):
@@ -34,7 +33,6 @@ class TestFleet1(unittest.TestCase):
         """Test cases for pslib."""
         import paddle.fluid as fluid
         from paddle.fluid.incubate.fleet.parameter_server.pslib import fleet
-        from paddle.fluid.incubate.fleet.parameter_server.pslib import PSLib
         from paddle.fluid.incubate.fleet.base.role_maker import GeneralRoleMaker
 
         os.environ["POD_IP"] = "127.0.0.1"

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

@@ -12,14 +12,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import sys
-import os
-import time
-import six
-import copy
 import json
 import unittest
-import paddle.fluid as fluid
 
 import paddle.distributed.fleet.ascend_utils as ascend_utils
 

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

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

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

@@ -18,7 +18,6 @@ import paddle.distributed.fleet as fleet
 import paddle.distributed.fleet.base.role_maker as role_maker
 import os
 import paddle.fluid as fluid
-import paddle.nn as nn
 import numpy as np
 
 

python/paddle/fluid/tests/unittests/test_fleet_base_3.py

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

python/paddle/fluid/tests/unittests/test_fleet_base_4.py

@@ -15,7 +15,6 @@
 import unittest
 import paddle
 import os
-import paddle.fluid as fluid
 import paddle.distributed.fleet as fleet
 
 paddle.enable_static()

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

@@ -22,7 +22,6 @@ else:
     os.environ['CUDA_VISIBLE_DEVICES'] = cuda_visible_devices.split(',')[0]
 import paddle
 import paddle.distributed.fleet as fleet
-import paddle.distributed.fleet.base.role_maker as role_maker
 import paddle.fluid as fluid
 import unittest
 import paddle.nn as nn

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

@@ -13,13 +13,8 @@
 # limitations under the License.
 
 import os
-import time
-import json
 import unittest
-import argparse
 import tempfile
-import traceback
-from warnings import catch_warnings
 
 from paddle.distributed.fleet.elastic.collective import CollectiveLauncher
 from paddle.distributed.fleet.launch import launch_collective

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

@@ -12,11 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import os
-import time
 import unittest
-import argparse
-from warnings import catch_warnings
 
 from paddle.distributed.fleet.elastic import enable_elastic, launch_elastic
 from paddle.distributed.fleet.launch_utils import DistributeMode

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

@@ -13,13 +13,10 @@
 # limitations under the License.
 
 import os
-import time
 import unittest
-import argparse
 
 from paddle.distributed.fleet.elastic.manager import ElasticManager
 from paddle.distributed.fleet.elastic.manager import LauncherInterface
-from paddle.distributed.fleet.elastic.manager import ELASTIC_TIMEOUT
 from paddle.distributed.fleet.elastic.manager import ELASTIC_AUTO_PARALLEL_EXIT_CODE
 
 

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

@@ -14,8 +14,7 @@
 
 import unittest
 import paddle
-import paddle.fluid.core as core
-from paddle.distributed.fleet.fleet_executor_utils import TaskNode, FleetExecutorUtils
+from paddle.distributed.fleet.fleet_executor_utils import FleetExecutorUtils
 
 paddle.enable_static()
 

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

@@ -16,7 +16,6 @@
 import numpy as np
 import paddle
 import paddle.fluid as fluid
-import os
 import unittest
 import numpy as np
 import paddle.distributed.fleet.metrics.metric as metric

python/paddle/fluid/tests/unittests/test_fleet_nocvm_1.py

@@ -15,7 +15,6 @@
 
 import os
 import unittest
-import paddle.fluid.incubate.fleet.base.role_maker as role_maker
 
 
 class TestFleet1(unittest.TestCase):
@@ -33,7 +32,6 @@ class TestFleet1(unittest.TestCase):
         """Test cases for pslib."""
         import paddle.fluid as fluid
         from paddle.fluid.incubate.fleet.parameter_server.pslib import fleet
-        from paddle.fluid.incubate.fleet.parameter_server.pslib import PSLib
         from paddle.fluid.incubate.fleet.base.role_maker import GeneralRoleMaker
 
         os.environ["POD_IP"] = "127.0.0.1"

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

@@ -61,7 +61,6 @@ class TestCloudRoleMaker(unittest.TestCase):
         """Test cases for pslib."""
         import paddle.fluid as fluid
         from paddle.fluid.incubate.fleet.parameter_server.pslib import fleet
-        from paddle.fluid.incubate.fleet.parameter_server.pslib import PSLib
         from paddle.fluid.incubate.fleet.base.role_maker import GeneralRoleMaker
 
         os.environ["POD_IP"] = "127.0.0.1"

python/paddle/fluid/tests/unittests/test_fleet_rolemaker_2.py

@@ -18,8 +18,6 @@ import os
 import unittest
 import tempfile
 
-import paddle.fluid.incubate.fleet.base.role_maker as role_maker
-
 
 class TestCloudRoleMaker2(unittest.TestCase):
     """

python/paddle/fluid/tests/unittests/test_fleet_rolemaker_3.py

@@ -15,7 +15,6 @@
 
 import os
 import unittest
-import paddle.fluid.incubate.fleet.base.role_maker as role_maker
 
 
 class TestCloudRoleMaker(unittest.TestCase):
@@ -33,7 +32,6 @@ class TestCloudRoleMaker(unittest.TestCase):
         """Test cases for pslib."""
         import paddle.fluid as fluid
         from paddle.fluid.incubate.fleet.parameter_server.pslib import fleet
-        from paddle.fluid.incubate.fleet.parameter_server.pslib import PSLib
         from paddle.fluid.incubate.fleet.base.role_maker import GeneralRoleMaker
 
         os.environ["POD_IP"] = "127.0.0.1"

python/paddle/fluid/tests/unittests/test_fleet_rolemaker_4.py

@@ -15,7 +15,6 @@
 
 import os
 import unittest
-import paddle.fluid.incubate.fleet.base.role_maker as role_maker
 
 
 class TestCloudRoleMaker(unittest.TestCase):
@@ -31,14 +30,8 @@ class TestCloudRoleMaker(unittest.TestCase):
 
     def test_pslib_1(self):
         """Test cases for pslib."""
-        import sys
         import threading
-        import paddle.fluid as fluid
         try:
-            from paddle.fluid.incubate.fleet.parameter_server.pslib import fleet
-            from paddle.fluid.incubate.fleet.parameter_server.pslib import PSLib
-            from paddle.fluid.incubate.fleet.base.role_maker import \
-                GeneralRoleMaker
             from paddle.distributed.fleet.utils.http_server import KVHandler
             from paddle.distributed.fleet.utils.http_server import KVServer
             from paddle.distributed.fleet.utils.http_server import KVHTTPServer
@@ -74,8 +67,6 @@ class TestCloudRoleMaker(unittest.TestCase):
                     raise ValueError("this is only for test")
                 return "fake"
 
-        import os
-
         try:
 
             class TmpKVHander(KVHandler):
@@ -126,8 +117,6 @@ class TestCloudRoleMaker(unittest.TestCase):
             print("warning: no KVHandler, skip test_pslib_4")
             return
 
-        import sys
-
         try:
 
             class TmpServer(KVHTTPServer):

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

@@ -14,11 +14,7 @@
 """Test cloud role maker."""
 
 import os
-import platform
-import shutil
-import tempfile
 import unittest
-import paddle
 import paddle.distributed.fleet.base.role_maker as role_maker
 
 

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

@@ -14,7 +14,6 @@
 
 import unittest
 import paddle
-import os
 
 
 class TestFleetRuntime(unittest.TestCase):

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

@@ -15,7 +15,6 @@
 
 import os
 import unittest
-import paddle.fluid.incubate.fleet.base.role_maker as role_maker
 
 
 class TestFleet1(unittest.TestCase):
@@ -33,7 +32,6 @@ class TestFleet1(unittest.TestCase):
         """Test cases for pslib."""
         import paddle.fluid as fluid
         from paddle.fluid.incubate.fleet.parameter_server.pslib import fleet
-        from paddle.fluid.incubate.fleet.parameter_server.pslib import PSLib
         from paddle.fluid.incubate.fleet.base.role_maker import GeneralRoleMaker
 
         os.environ["POD_IP"] = "127.0.0.1"

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

@@ -12,15 +12,13 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import paddle
-import paddle.fluid as fluid
 import unittest
 import numpy as np
 import tarfile
 import tempfile
 import os
 import sys
-from paddle.dataset.common import download, DATA_HOME
+from paddle.dataset.common import download
 import paddle.distributed.fleet.base.role_maker as role_maker
 
 

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

@@ -17,7 +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
 import gradient_checker
 from decorator_helper import prog_scope

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

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

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

@@ -13,14 +13,10 @@
 # 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
-import os
 import sys
 import inspect
 
-from paddle.distributed.fleet.utils.fs import LocalFS, FS, HDFSClient, FSTimeOut, FSFileExistsError, FSFileNotExistsError
+from paddle.distributed.fleet.utils.fs import FS
 
 
 class FSTest(unittest.TestCase):

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

@@ -15,9 +15,7 @@
 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
 
 
 def fsp_matrix(a, b):

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

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

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

@@ -14,13 +14,10 @@
 
 import unittest
 import numpy as np
-from op_test import OpTest
 
-import paddle.fluid.core as core
-from paddle.fluid.op import Operator
 import paddle.fluid as fluid
 import paddle
-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_function_hook.py

@@ -16,8 +16,7 @@ import unittest
 import paddle
 import numpy as np
 
-import paddle.fluid.core as core
-from paddle import _C_ops, _legacy_C_ops
+from paddle import _legacy_C_ops
 from paddle.fluid.framework import _test_eager_guard
 
 

python/paddle/fluid/tests/unittests/test_functional_conv1d.py

@@ -14,9 +14,7 @@
 
 import paddle
 import paddle.nn.functional as F
-from paddle import fluid
 import paddle.fluid.dygraph as dg
-import paddle.fluid.initializer as I
 import numpy as np
 import unittest
 from unittest import TestCase

python/paddle/fluid/tests/unittests/test_functional_conv1d_transpose.py

@@ -14,9 +14,7 @@
 
 import paddle
 import paddle.nn.functional as F
-from paddle import fluid
 import paddle.fluid.dygraph as dg
-import paddle.fluid.initializer as I
 import numpy as np
 import unittest
 from unittest import TestCase

python/paddle/fluid/tests/unittests/test_fuse_bn_add_act_pass.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 import core

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

@@ -15,7 +15,6 @@
 """Test cases for role makers."""
 
 import paddle
-import os
 import unittest
 import numpy as np
 import paddle.fluid.core as core

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

@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from simple_nets import simple_fc_net, fc_with_batchnorm, init_data, bow_net
+from simple_nets import bow_net, fc_with_batchnorm, init_data
 from fake_reader import fake_imdb_reader
 from parallel_executor_test_base import TestParallelExecutorBase, DeviceType
 from functools import partial

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

@@ -17,9 +17,7 @@ import paddle.fluid as fluid
 import paddle.fluid.core as core
 import numpy as np
 import paddle
-import paddle.dataset.mnist as mnist
 import unittest
-import os
 
 
 def norm(*args, **kargs):

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

@@ -15,8 +15,6 @@
 import numpy as np
 
 import paddle
-import paddle.nn as nn
-import paddle.fluid.core as core
 import paddle.nn.functional as F
 import paddle.incubate.nn.functional as incubate_f
 from paddle.nn.layer.norm import LayerNorm

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

@@ -15,13 +15,8 @@
 import numpy as np
 
 import paddle
-import paddle.nn as nn
-import paddle.fluid.core as core
-import paddle.nn.functional as F
 from paddle.incubate.nn.layer.fused_transformer import FusedMultiHeadAttention
-from paddle import tensor
-from paddle.fluid import layers
-from paddle.static import Program, program_guard
+from paddle.static import Program
 import unittest
 
 

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

@@ -15,15 +15,9 @@
 import numpy as np
 
 import paddle
-import paddle.nn as nn
-import paddle.fluid.core as core
-import paddle.nn.functional as F
 import paddle.incubate.nn.functional as incubate_f
 from paddle.nn.layer.norm import LayerNorm
-from paddle.nn.layer.common import Linear, Dropout
-from paddle.nn.layer.transformer import _convert_attention_mask
-from paddle import tensor
-from paddle.fluid import layers
+from paddle.nn.layer.common import Dropout
 import unittest
 from op_test import OpTest
 from paddle.fluid.framework import default_main_program, _enable_legacy_dygraph

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

@@ -15,13 +15,8 @@
 import numpy as np
 
 import paddle
-import paddle.nn as nn
-import paddle.fluid.core as core
-import paddle.nn.functional as F
 from paddle.incubate.nn.layer.fused_transformer import FusedBiasDropoutResidualLayerNorm
-from paddle import tensor
-from paddle.fluid import layers
-from paddle.static import Program, program_guard
+from paddle.static import Program
 import unittest
 
 

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

@@ -16,10 +16,6 @@ import unittest
 import platform
 import numpy as np
 from op_test import OpTest, skip_check_grad_ci
-import paddle.fluid.core as core
-import paddle.fluid as fluid
-from paddle.fluid.op import Operator
-import paddle.compat as cpt
 import paddle.version as ver
 
 

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

@@ -14,8 +14,6 @@
 import numpy as np
 
 import paddle
-import paddle.fluid as fluid
-import paddle.fluid.core as core
 from paddle.nn.layer import transformer
 import paddle.nn.functional as F
 import paddle.incubate.nn.functional as incubate_f

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

@@ -21,12 +21,10 @@ import numpy as np
 
 import paddle
 import paddle.nn as nn
-from paddle import tensor
 import unittest
 from op_test import OpTest, convert_float_to_uint16, convert_uint16_to_float
 from test_sparse_attention_op import get_cuda_version
-from paddle import _C_ops, _legacy_C_ops
-from paddle.fluid.framework import default_main_program
+from paddle import _legacy_C_ops
 from paddle.fluid import core
 
 

python/paddle/fluid/tests/unittests/test_fused_multi_transformer_int8_op.py

@@ -15,23 +15,15 @@
 import numpy as np
 
 import paddle
-import paddle.nn as nn
-import paddle.fluid.core as core
 import paddle.nn.functional as F
-import paddle.incubate.nn.functional as incubate_f
 from paddle.nn.layer.norm import LayerNorm
-from paddle.nn.layer.common import Linear, Dropout
+from paddle.nn.layer.common import Dropout
 from paddle.nn.layer.transformer import _convert_attention_mask
 from paddle import tensor
 from paddle.fluid import layers
 import unittest
-from op_test import OpTest
 from paddle.fluid.framework import default_main_program
-from paddle.fluid.dygraph.layers import Layer
-from paddle.fluid.layer_helper import LayerHelper
-from paddle.nn.initializer import Constant
-from paddle.fluid.data_feeder import check_variable_and_dtype, check_dtype
-from paddle.fluid.framework import _non_static_mode, default_main_program
+from paddle.fluid.framework import default_main_program
 from paddle import _legacy_C_ops
 
 default_main_program().random_seed = 42

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

@@ -15,10 +15,7 @@
 import numpy as np
 
 import paddle
-import paddle.nn as nn
-import paddle.fluid.core as core
 import paddle.nn.functional as F
-import paddle.incubate.nn.functional as incubate_f
 from paddle.nn.layer.norm import LayerNorm
 from paddle.nn.layer.common import Linear, Dropout
 from paddle.nn.layer.transformer import _convert_attention_mask
@@ -27,12 +24,7 @@ from paddle.fluid import layers
 import unittest
 from op_test import OpTest
 from paddle.fluid.framework import default_main_program
-from paddle.fluid.dygraph.layers import Layer
-from paddle.fluid.layer_helper import LayerHelper
-from paddle.nn.initializer import Constant
-from paddle.fluid.data_feeder import check_variable_and_dtype, check_dtype
-from paddle.fluid.framework import _non_static_mode, default_main_program
-from paddle import _C_ops, _legacy_C_ops
+from paddle.fluid.framework import default_main_program
 from paddle.incubate.nn.functional import fused_multi_transformer
 from paddle.incubate.nn import FusedMultiTransformer
 

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

@@ -16,7 +16,6 @@ import unittest
 import numpy as np
 from op_test import OpTest
 from paddle.fluid import core
-import paddle.fluid as fluid
 
 np.random.random(123)
 

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

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

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

@@ -14,7 +14,6 @@
 
 import unittest
 import numpy as np
-import math
 from op_test import OpTest
 from paddle.fluid.tests.unittests.test_gru_op import gru
 from paddle.fluid.tests.unittests.test_fusion_lstm_op import fc, ACTIVATION

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

@@ -14,7 +14,6 @@
 
 import unittest
 import numpy as np
-import random
 from op_test import OpTest
 from sequence.test_sequence_conv import seqconv
 

python/paddle/fluid/tests/unittests/test_gaussian_random_op.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
 import paddle.fluid as fluid
 import paddle.fluid.core as core
-from paddle.fluid.op import Operator
-from paddle.fluid.executor import Executor
 from paddle.fluid.tests.unittests.op_test import OpTest, convert_uint16_to_float
 from paddle.fluid.framework import _test_eager_guard
 import paddle

python/paddle/fluid/tests/unittests/test_gcd.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_generate_mask_labels_op.py

@@ -14,10 +14,8 @@
 
 import unittest
 import numpy as np
-import sys
 import math
 import six
-import paddle.fluid as fluid
 from op_test import OpTest
 '''
 # Equivalent code

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

@@ -14,9 +14,6 @@
 
 import unittest
 import numpy as np
-import sys
-import math
-import paddle.fluid as fluid
 from op_test import OpTest
 
 

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

@@ -14,10 +14,8 @@
 
 import unittest
 import numpy as np
-import sys
 import math
 import paddle
-import paddle.fluid as fluid
 from op_test import OpTest
 from test_anchor_generator_op import anchor_generator_in_python
 import copy

python/paddle/fluid/tests/unittests/test_generate_proposals_v2_op.py

@@ -14,13 +14,9 @@
 
 import unittest
 import numpy as np
-import sys
-import math
 import paddle
-import paddle.fluid as fluid
 from op_test import OpTest
 from test_anchor_generator_op import anchor_generator_in_python
-import copy
 from test_generate_proposals_op import clip_tiled_boxes, box_coder, nms
 
 

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

@@ -13,7 +13,6 @@
 # limitations under the License.
 """Test cloud role maker."""
 
-import os
 import unittest
 import paddle
 import paddle.fluid.generator as generator

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

@@ -14,7 +14,6 @@
 
 import unittest
 from paddle.fluid import core
-from paddle import compat as cpt
 
 
 class TestGetAllRegisteredOpKernels(unittest.TestCase):

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

@@ -12,7 +12,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import paddle
 import unittest
 from paddle.fluid import core
 from paddle.device.cuda import device_count, get_device_properties

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

@@ -16,9 +16,7 @@ import os
 import sys
 import subprocess
 import unittest
-import paddle
 import tempfile
-import paddle.fluid as fluid
 from paddle.fluid import core
 
 

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

@@ -12,14 +12,10 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import contextlib
 import unittest
 import numpy as np
-import six
 
-import paddle
 import paddle.fluid as fluid
-from paddle.fluid import core
 
 from paddle.fluid.dygraph.base import to_variable
 

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

@@ -17,7 +17,6 @@ import numpy as np
 import paddle
 import paddle.fluid.core as core
 import paddle.fluid as fluid
-import six
 from fake_reader import fake_imdb_reader
 from paddle.fluid.clip import _allow_pure_fp16_global_norm_clip
 

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

@@ -15,7 +15,6 @@
 import unittest
 import numpy as np
 import paddle
-import paddle.fluid as fluid
 
 
 class TestGraphReindex(unittest.TestCase):

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

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

python/paddle/fluid/tests/unittests/test_graph_send_ue_recv_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 paddle.fluid.framework import _test_eager_guard
 

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

@@ -15,8 +15,6 @@
 import unittest
 import numpy as np
 import paddle
-import paddle.fluid as fluid
-import paddle.fluid.core as core
 from paddle.fluid.framework import _test_eager_guard
 
 from op_test import OpTest

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

@@ -14,7 +14,7 @@
 
 import numpy as np
 import paddle
-from paddle import fluid, nn
+from paddle import fluid
 import paddle.fluid.dygraph as dg
 import paddle.nn.functional as F
 import unittest

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

@@ -15,7 +15,6 @@
 import unittest
 import numpy as np
 
-from operator import mul
 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_group_norm_op_v2.py

@@ -12,14 +12,10 @@
 # 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
 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_gru_op.py

@@ -14,9 +14,8 @@
 
 import unittest
 import numpy as np
-import math
 import functools
-from op_test import OpTest, skip_check_grad_ci
+from op_test import OpTest
 from paddle.fluid.tests.unittests.test_lstm_op import ACTIVATION
 from paddle import fluid
 from paddle.fluid import Program, program_guard

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

@@ -14,13 +14,10 @@
 
 import unittest
 import numpy as np
-import math
 
 from op_test import OpTest
 import paddle
 import paddle.fluid.core as core
-import paddle.fluid as fluid
-import paddle.fluid.layers as layers
 import random
 import sys
 

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

@@ -13,10 +13,8 @@
 import unittest
 import numpy as np
 from op_test import OpTest
-import paddle.fluid.core as core
 import paddle
 import paddle.fluid as fluid
-from paddle.fluid import Program, program_guard
 from paddle.fluid.framework import _test_eager_guard
 
 paddle.enable_static()

python/paddle/fluid/tests/unittests/test_histogram_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 paddle.fluid import Program, program_guard
 from op_test import OpTest
 from paddle.fluid.framework import _test_eager_guard

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

@@ -15,7 +15,6 @@
 import unittest
 import numpy as np
 import paddle
-import paddle.fluid.core as core
 import paddle.fluid as fluid
 import paddle.nn.functional as F
 from paddle.fluid import Program, program_guard

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

@@ -17,7 +17,7 @@ import numpy as np
 from op_test import OpTest
 import paddle.fluid as fluid
 import paddle
-from paddle.fluid import compiler, Program, program_guard
+from paddle.fluid import Program, program_guard
 
 
 def huber_loss_forward(val, delta):

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

@@ -12,8 +12,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import paddle
-import paddle.nn as nn
 import unittest
 from paddle.distributed import fleet
 import numpy as np

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

@@ -18,7 +18,6 @@ import paddle
 import paddle.fluid as fluid
 from paddle.fluid import Program, program_guard
 from op_test import OpTest
-from paddle.fluid.framework import _test_eager_guard
 
 
 class TestIdentityLossOp(OpTest):

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

@@ -14,8 +14,6 @@
 
 import unittest
 import numpy as np
-import paddle.fluid as fluid
-import paddle.fluid.core as core
 import paddle
 
 

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

@@ -13,11 +13,8 @@
 # limitations under the License.
 
 import contextlib
-import unittest
-import numpy as np
 
 import paddle.fluid as fluid
-from paddle.fluid import core
 
 
 @contextlib.contextmanager

python/paddle/fluid/tests/unittests/test_imperative_basic.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
 
@@ -24,7 +23,7 @@ from test_imperative_base import new_program_scope
 import paddle.fluid.dygraph_utils as dygraph_utils
 from paddle.fluid.dygraph.layer_object_helper import LayerObjectHelper
 import paddle
-from paddle.fluid.framework import _test_eager_guard, _in_legacy_dygraph, _non_static_mode
+from paddle.fluid.framework import _in_legacy_dygraph, _test_eager_guard
 
 
 class MyLayer(fluid.Layer):

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

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

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

@@ -16,7 +16,7 @@ import unittest
 import paddle.fluid as fluid
 import numpy as np
 import paddle
-from paddle import _C_ops, _legacy_C_ops
+from paddle import _legacy_C_ops
 from paddle.fluid.framework import _test_eager_guard
 
 

python/paddle/fluid/tests/unittests/test_imperative_data_loader_base.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
 import paddle.fluid as fluid
-from paddle.fluid import core
 from paddle.fluid.reader import use_pinned_memory
 from paddle.fluid.framework import _test_eager_guard
 

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

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

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

@@ -36,7 +36,6 @@ class TestDygraphDataLoaderCleanUpFunc(unittest.TestCase):
 
     def func_test_clear_queue_set(self):
         test_queue = queue.Queue(self.capacity)
-        global multiprocess_queue_set
         multiprocess_queue_set.add(test_queue)
         for i in range(0, self.capacity):
             test_queue.put(i)

python/paddle/fluid/tests/unittests/test_imperative_data_loader_fds_clear.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
 import paddle.fluid as fluid
-from paddle.fluid import core
 from paddle.io import Dataset, DataLoader
 from paddle.fluid.framework import _test_eager_guard
 

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

@@ -17,7 +17,6 @@ import unittest
 import multiprocessing
 import numpy as np
 import paddle.fluid as fluid
-from paddle.fluid import core
 from paddle.fluid.reader import _reader_process_loop
 from paddle.fluid.framework import _test_eager_guard
 

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

@@ -12,13 +12,10 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import contextlib
 import unittest
 import numpy as np
-import six
 import unittest
 
-import paddle
 import paddle.fluid as fluid
 import paddle.fluid.dygraph as dygraph
 from paddle.fluid.dygraph.nn import Linear

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

@@ -20,8 +20,7 @@ import unittest
 from unittest import TestCase
 import numpy as np
 import paddle.compat as cpt
-from paddle.fluid.framework import _test_eager_guard, _in_legacy_dygraph, _in_eager_without_dygraph_check
-import paddle.fluid.core as core
+from paddle.fluid.framework import _test_eager_guard
 
 
 def _dygraph_guard_(func):

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

@@ -12,17 +12,15 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import contextlib
 import unittest
 import numpy as np
 import six
-import sys
 
 import paddle
 import paddle.fluid as fluid
 import paddle.fluid.core as core
 from paddle.fluid.optimizer import SGDOptimizer
-from paddle.fluid import Conv2D, Pool2D, Linear
+from paddle.fluid import Linear
 from test_imperative_base import new_program_scope
 from paddle.fluid.dygraph.base import to_variable
 from paddle.fluid.framework import _test_eager_guard