[CodeStyle][E401][F811] remove redefined imports and variables (#48538)

.flake8

@@ -17,13 +17,13 @@ exclude =
 ignore =
     # E, see https://pycodestyle.pycqa.org/en/latest/intro.html#error-codes
     E203,
-    E401,E402,
+    E402,
     E501,
     E721,E722,E731,E741,
 
     # F, see https://flake8.pycqa.org/en/latest/user/error-codes.html
     F405,
-    F811,F841,
+    F841,
 
     # W, see https://pycodestyle.pycqa.org/en/latest/intro.html#error-codes
     W503
@@ -37,3 +37,9 @@ per-file-ignores =
     .cmake-format.py: F821
     python/paddle/fluid/tests/unittests/dygraph_to_static/test_loop.py: F821
     python/paddle/fluid/tests/unittests/dygraph_to_static/test_closure_analysis.py: F821
+    # These files will be fixed in the future
+    python/paddle/fluid/tests/unittests/fft/test_fft_with_static_graph.py: F811
+    python/paddle/fluid/tests/unittests/test_activation_nn_grad.py: F811
+    python/paddle/fluid/tests/unittests/test_lstm_cudnn_op.py: F811
+    python/paddle/fluid/tests/unittests/test_matmul_v2_op.py: F811
+    python/paddle/fluid/tests/unittests/test_rrelu_op.py: F811

python/paddle/autograd/__init__.py

@@ -25,8 +25,6 @@ if _in_eager_mode_:
 else:
     from .py_layer import LegacyPyLayer as PyLayer  # noqa: F401
     from .py_layer import LegacyPyLayerContext as PyLayerContext  # noqa: F401
-from ..framework import set_grad_enabled, is_grad_enabled  # noqa: F401
-from ..fluid.dygraph.base import no_grad_ as no_grad  # noqa: F401
 from .saved_tensors_hooks import saved_tensors_hooks
 
 __all__ = [  # noqa

python/paddle/distributed/auto_parallel/utils.py

@@ -35,7 +35,6 @@ from paddle.fluid.framework import Variable
 from paddle.fluid.io import is_belong_to_optimizer, is_parameter
 
 OP_ROLE_KEY = core.op_proto_and_checker_maker.kOpRoleAttrName()
-OpRole = core.op_proto_and_checker_maker.OpRole
 
 __no_shape_var_type__ = [
     core.VarDesc.VarType.READER,

python/paddle/distributed/fleet/elastic/__init__.py

@@ -13,7 +13,8 @@
 # limitations under the License.
 
 import signal
-import os, sys
+import os
+import sys
 
 from .manager import ElasticManager
 from .manager import ElasticStatus

python/paddle/distributed/fleet/model.py

@@ -14,7 +14,6 @@
 
 import paddle
 from paddle.distributed import fleet
-from paddle.fluid.dygraph.varbase_patch_methods import _grad_scalar
 
 from .base.topology import ParallelMode
 from .meta_parallel import (

python/paddle/fluid/tests/custom_runtime/process_group_xccl.py

@@ -18,7 +18,6 @@ import unittest
 import numpy as np
 
 import paddle
-import paddle.fluid.core as core
 from paddle.fluid import core
 from paddle.fluid.dygraph.parallel import ParallelEnv
 from paddle.fluid.framework import _test_eager_guard

python/paddle/fluid/tests/unittests/collective/fleet/dygraph_dist_save_load.py

@@ -31,7 +31,6 @@ from paddle.distributed.fleet.meta_parallel.sharding.group_sharded_optimizer_sta
 from paddle.distributed.fleet.meta_parallel.sharding.group_sharded_stage2 import (
     GroupShardedStage2,
 )
-from paddle.fluid.dygraph.nn import Linear
 from paddle.incubate.distributed.utils.io import load, save
 from paddle.nn import Linear
 

python/paddle/fluid/tests/unittests/collective/fleet/dygraph_group_sharded_api.py

@@ -24,7 +24,6 @@ from paddle.distributed.sharding import (
     group_sharded_parallel,
     save_group_sharded_model,
 )
-from paddle.fluid.dygraph.nn import Linear
 from paddle.fluid.framework import _test_eager_guard
 from paddle.nn import Linear
 

python/paddle/fluid/tests/unittests/collective/fleet/dygraph_group_sharded_api_eager.py

@@ -22,7 +22,6 @@ from paddle.distributed.sharding import (
     group_sharded_parallel,
     save_group_sharded_model,
 )
-from paddle.fluid.dygraph.nn import Linear
 from paddle.fluid.framework import _test_eager_guard
 from paddle.nn import Linear
 

python/paddle/fluid/tests/unittests/collective/fleet/dygraph_group_sharded_stage2.py

@@ -28,7 +28,6 @@ from paddle.distributed.fleet.meta_parallel.sharding.group_sharded_optimizer_sta
 from paddle.distributed.fleet.meta_parallel.sharding.group_sharded_stage2 import (
     GroupShardedStage2,
 )
-from paddle.fluid.dygraph.nn import Linear
 from paddle.fluid.framework import _test_eager_guard
 from paddle.nn import Linear
 

python/paddle/fluid/tests/unittests/collective/fleet/dygraph_group_sharded_stage2_comm_overlap.py

@@ -28,7 +28,6 @@ from paddle.distributed.fleet.meta_parallel.sharding.group_sharded_optimizer_sta
 from paddle.distributed.fleet.meta_parallel.sharding.group_sharded_stage2 import (
     GroupShardedStage2,
 )
-from paddle.fluid.dygraph.nn import Linear
 from paddle.fluid.framework import _test_eager_guard
 from paddle.nn import Linear
 

python/paddle/fluid/tests/unittests/collective/fleet/dygraph_group_sharded_stage3.py

@@ -34,7 +34,6 @@ from paddle.distributed.fleet.meta_parallel.sharding.group_sharded_stage3 import
 from paddle.distributed.fleet.meta_parallel.sharding.group_sharded_utils import (
     GroupShardedScaler,
 )
-from paddle.fluid.dygraph.nn import Linear
 from paddle.fluid.framework import _test_eager_guard
 from paddle.nn import Linear
 

python/paddle/fluid/tests/unittests/collective/fleet/dygraph_group_sharded_stage3_offload.py

@@ -24,7 +24,6 @@ from paddle.distributed.fleet.meta_parallel.sharding.group_sharded_stage3 import
 from paddle.distributed.fleet.meta_parallel.sharding.group_sharded_utils import (
     GroupShardedScaler,
 )
-from paddle.fluid.dygraph.nn import Linear
 from paddle.fluid.framework import _test_eager_guard
 from paddle.nn import Linear
 

python/paddle/fluid/tests/unittests/collective/fleet/dygraph_sharding_optimizer_stage2.py

@@ -23,7 +23,6 @@ from paddle.distributed.fleet.meta_optimizers.dygraph_optimizer.sharding_optimiz
     ShardingOptimizerStage2,
 )
 from paddle.distributed.fleet.utils.internal_storage import GradStorage
-from paddle.fluid.dygraph.nn import Linear
 from paddle.fluid.framework import _test_eager_guard
 from paddle.nn import Linear
 

python/paddle/fluid/tests/unittests/collective/fleet/dygraph_sharding_stage2.py

@@ -29,7 +29,6 @@ from paddle.distributed.fleet.meta_optimizers.dygraph_optimizer.sharding_optimiz
 from paddle.distributed.fleet.meta_parallel.sharding.sharding_stage2 import (
     ShardingStage2,
 )
-from paddle.fluid.dygraph.nn import Linear
 from paddle.fluid.framework import _test_eager_guard
 from paddle.nn import Linear
 

python/paddle/fluid/tests/unittests/collective/fleet/dygraph_sharding_stage3.py

@@ -35,7 +35,6 @@ from paddle.distributed.fleet.meta_parallel.sharding.sharding_stage3 import (
 from paddle.distributed.fleet.meta_parallel.sharding.sharding_utils import (
     ShardingScaler,
 )
-from paddle.fluid.dygraph.nn import Linear
 from paddle.fluid.framework import _test_eager_guard
 from paddle.nn import Linear
 

python/paddle/fluid/tests/unittests/collective/fleet/dygraph_sharding_stage3_offload.py

@@ -25,7 +25,6 @@ from paddle.distributed.fleet.meta_parallel.sharding.sharding_stage3 import (
 from paddle.distributed.fleet.meta_parallel.sharding.sharding_utils import (
     ShardingScaler,
 )
-from paddle.fluid.dygraph.nn import Linear
 from paddle.fluid.framework import _test_eager_guard
 from paddle.nn import Linear
 

python/paddle/fluid/tests/unittests/collective/fleet/parallel_dygraph_control_flow_same.py

@@ -18,7 +18,6 @@ from test_dist_base import TestParallelDyGraphRunnerBase, runtime_main
 import paddle
 import paddle.fluid as fluid
 from paddle.fluid.dygraph.base import to_variable
-from paddle.fluid.dygraph.nn import Linear
 from paddle.nn import Linear
 
 np.random.seed(2021)

python/paddle/fluid/tests/unittests/collective/fleet/parallel_dygraph_no_sync.py

@@ -26,7 +26,6 @@ from test_dist_base import (
 import paddle
 import paddle.distributed as dist
 import paddle.fluid as fluid
-from paddle.fluid.dygraph.nn import Linear
 from paddle.nn import Linear
 
 seed = 90

python/paddle/fluid/tests/unittests/collective/fleet/parallel_dygraph_no_sync_control_flow.py

@@ -18,7 +18,6 @@ from test_dist_base import runtime_main
 
 import paddle
 import paddle.fluid as fluid
-from paddle.fluid.dygraph.nn import Linear
 from paddle.nn import Linear
 
 seed = 90

python/paddle/fluid/tests/unittests/collective/fleet/parallel_dygraph_se_resnext.py

@@ -20,7 +20,6 @@ from test_dist_base import TestParallelDyGraphRunnerBase, runtime_main
 import paddle
 import paddle.fluid as fluid
 from paddle.fluid.dygraph.base import to_variable
-from paddle.fluid.dygraph.nn import Linear
 from paddle.nn import Linear
 
 batch_size = 64

python/paddle/fluid/tests/unittests/collective/multinode/mn_dygraph_group_sharded_stage3.py

@@ -34,7 +34,6 @@ from paddle.distributed.fleet.meta_parallel.sharding.group_sharded_stage3 import
 from paddle.distributed.fleet.meta_parallel.sharding.group_sharded_utils import (
     GroupShardedScaler,
 )
-from paddle.fluid.dygraph.nn import Linear
 from paddle.fluid.framework import _test_eager_guard
 from paddle.nn import Linear
 

python/paddle/fluid/tests/unittests/collective/multinode/mn_dygraph_sharding_stage2.py

@@ -29,7 +29,6 @@ from paddle.distributed.fleet.meta_optimizers.dygraph_optimizer.sharding_optimiz
 from paddle.distributed.fleet.meta_parallel.sharding.sharding_stage2 import (
     ShardingStage2,
 )
-from paddle.fluid.dygraph.nn import Linear
 from paddle.fluid.framework import _test_eager_guard
 from paddle.nn import Linear
 

python/paddle/fluid/tests/unittests/collective/process_group_gloo.py

@@ -18,7 +18,6 @@ import unittest
 import numpy as np
 
 import paddle
-import paddle.fluid.core as core
 from paddle.fluid import core
 from paddle.fluid.dygraph.parallel import ParallelEnv
 from paddle.fluid.framework import _test_eager_guard

python/paddle/fluid/tests/unittests/collective/process_group_mpi.py

@@ -20,7 +20,6 @@ import numpy as np
 
 import paddle
 import paddle.distributed as dist
-import paddle.fluid.core as core
 from paddle.distributed.collective import (
     Group,
     _default_group_name,

python/paddle/fluid/tests/unittests/dist_word2vec.py

@@ -138,8 +138,6 @@ class TestDistWord2vec2x2(TestDistRunnerBase):
 
 
 if __name__ == "__main__":
-    import os
-
     os.environ['CPU_NUM'] = '1'
     os.environ['USE_CUDA'] = "FALSE"
     runtime_main(TestDistWord2vec2x2)

python/paddle/fluid/tests/unittests/dygraph_to_static/test_mobile_net.py

@@ -23,7 +23,7 @@ from predictor_utils import PredictorTools
 import paddle
 import paddle.fluid as fluid
 from paddle.fluid.dygraph.io import INFER_MODEL_SUFFIX, INFER_PARAMS_SUFFIX
-from paddle.fluid.dygraph.nn import BatchNorm, Linear
+from paddle.fluid.dygraph.nn import BatchNorm
 from paddle.fluid.initializer import MSRA
 from paddle.fluid.param_attr import ParamAttr
 from paddle.jit import ProgramTranslator

python/paddle/fluid/tests/unittests/dygraph_to_static/test_sentiment.py

@@ -20,7 +20,7 @@ from test_lac import DynamicGRU
 import paddle
 import paddle.fluid as fluid
 from paddle.fluid.dygraph import to_variable
-from paddle.fluid.dygraph.nn import Embedding, Linear
+from paddle.fluid.dygraph.nn import Embedding
 from paddle.jit import ProgramTranslator
 from paddle.jit.api import declarative
 from paddle.nn import Linear

python/paddle/fluid/tests/unittests/ipu/test_pad_op_ipu.py

@@ -126,13 +126,13 @@ class TestCase7(TestBase):
 
 
 @unittest.skip("Only support NCL, NCHW, NCDHW")
-class TestCase7(TestBase):
+class TestCase8(TestBase):
     def set_op_attrs(self):
         self.attrs = {"pad": [1, 2, 3, 4], "data_format": "NHWC"}
 
 
 @unittest.skip("Only support NCL, NCHW, NCDHW")
-class TestCase7(TestBase):
+class TestCase9(TestBase):
     def set_op_attrs(self):
         self.attrs = {"pad": [1, 2, 3, 4, 1, 3], "data_format": "NDHWC"}
 

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

@@ -18,7 +18,6 @@ from test_dist_base import TestParallelDyGraphRunnerBase, runtime_main
 import paddle
 import paddle.fluid as fluid
 from paddle.fluid.dygraph.base import to_variable
-from paddle.fluid.dygraph.nn import Linear
 from paddle.nn import Linear
 
 np.random.seed(2021)

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

@@ -847,7 +847,5 @@ class TestDygraphBatchNormOpenReserveSpace(unittest.TestCase):
 
 
 if __name__ == '__main__':
-    import paddle
-
     paddle.enable_static()
     unittest.main()

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

@@ -422,7 +422,5 @@ class TestBatchNormUseGlobalStatsCase3(TestBatchNormUseGlobalStats):
 
 
 if __name__ == '__main__':
-    import paddle
-
     paddle.enable_static()
     unittest.main()

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

@@ -14,6 +14,7 @@
 
 import os
 import pickle
+import socket
 import subprocess
 import sys
 import tempfile
@@ -161,10 +162,6 @@ def runtime_main(test_class, col_type):
     model.run_trainer(args)
 
 
-import socket
-from contextlib import closing
-
-
 class TestDistBase(unittest.TestCase):
     def setUp(self):
         self._port_set = set()

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

@@ -14,6 +14,7 @@
 
 import os
 import pickle
+import socket
 import subprocess
 import sys
 import tempfile
@@ -140,10 +141,6 @@ def runtime_main(test_class, col_type, sub_type):
     model.run_trainer(args)
 
 
-import socket
-from contextlib import closing
-
-
 class TestDistBase(unittest.TestCase):
     def setUp(self):
         self._port_set = set()

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

@@ -150,7 +150,5 @@ class TestCropNoneShape(unittest.TestCase):
 
 
 if __name__ == '__main__':
-    import paddle
-
     paddle.enable_static()
     unittest.main()

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

@@ -271,7 +271,5 @@ class TestCropTensorException(unittest.TestCase):
 
 
 if __name__ == '__main__':
-    import paddle
-
     paddle.enable_static()
     unittest.main()

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

@@ -12,14 +12,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import paddle
-import paddle.distributed.fleet as fleet
-import paddle.distributed.fleet.base.role_maker as role_maker
-import paddle.fluid as fluid
-from paddle.distributed.fleet.utils.ps_util import DistributedInfer
-
 """
-    high level unit test for distribute fleet.
+high level unit test for distribute fleet.
 """
 
 import argparse
@@ -34,6 +28,10 @@ import unittest
 from contextlib import closing
 
 import paddle
+import paddle.distributed.fleet as fleet
+import paddle.distributed.fleet.base.role_maker as role_maker
+import paddle.fluid as fluid
+from paddle.distributed.fleet.utils.ps_util import DistributedInfer
 
 paddle.enable_static()
 

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

@@ -89,7 +89,7 @@ class TestMNIST(TestParallelExecutorBase):
             return optimizer
 
         if only_forward:
-            _optimizer = None
+            _optimizer = None  # noqa: F811
 
         (
             fuse_op_first_loss,

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

@@ -19,7 +19,6 @@ import numpy as np
 from op_test import OpTest
 
 import paddle.fluid as fluid
-from paddle import fluid
 from paddle.fluid.framework import Program, program_guard
 from paddle.fluid.layers import gru_unit
 

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

@@ -21,7 +21,7 @@ import paddle
 import paddle.fluid as fluid
 from paddle.fluid import core
 from paddle.fluid.dygraph.base import to_variable
-from paddle.fluid.dygraph.nn import BatchNorm, Embedding, GRUUnit, Linear
+from paddle.fluid.dygraph.nn import BatchNorm, Embedding, GRUUnit
 from paddle.fluid.framework import _test_eager_guard
 from paddle.nn import Linear
 

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

@@ -53,7 +53,7 @@ class TestMathOpPatches(unittest.TestCase):
         place = fluid.CPUPlace()
         exe = fluid.Executor(place)
         a_np = np.random.random(size=[10, 1]).astype('float32')
-        b_np = exe.run(
+        (b_np,) = exe.run(
             fluid.default_main_program(), feed={"a": a_np}, fetch_list=[b]
         )
         np.testing.assert_allclose(a_np + 10, b_np, rtol=1e-05)
@@ -71,7 +71,7 @@ class TestMathOpPatches(unittest.TestCase):
         np.testing.assert_allclose(a_np - 10, b_np, rtol=1e-05)
 
     @prog_scope()
-    def test_radd_scalar(self):
+    def test_rsub_scalar(self):
         a = fluid.layers.data(name="a", shape=[1])
         b = 10 - a
         place = fluid.CPUPlace()

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

@@ -161,7 +161,5 @@ class API_NormTest(unittest.TestCase):
 
 
 if __name__ == '__main__':
-    import paddle
-
     paddle.enable_static()
     unittest.main()

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

@@ -184,7 +184,7 @@ class TestOptimizerForVarBase(unittest.TestCase):
         z.backward()
         opt.step()
 
-    def func_test_create_param_lr_with_no_1_value_for_coverage(self):
+    def test_create_param_lr_with_no_1_value_for_coverage(self):
         with _test_eager_guard():
             self.func_test_create_param_lr_with_1_for_coverage()
         self.func_test_create_param_lr_with_1_for_coverage()

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

@@ -1114,7 +1114,5 @@ class TestAnyAPI(unittest.TestCase):
 
 
 if __name__ == '__main__':
-    import paddle
-
     paddle.enable_static()
     unittest.main()

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

@@ -21,7 +21,6 @@ import paddle
 import paddle.fluid.core as core
 
 paddle.enable_static()
-from op_test import OpTest
 
 
 class TestSearchSorted(OpTest):

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

@@ -22,7 +22,6 @@ import paddle.fluid.layers as layers
 from paddle.fluid import Program, program_guard
 from paddle.fluid.backward import append_backward
 from paddle.fluid.executor import Executor
-from paddle.fluid.framework import Program, program_guard
 from paddle.fluid.layer_helper import LayerHelper
 from paddle.fluid.layers.control_flow import merge_lod_tensor, split_lod_tensor
 

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

@@ -19,7 +19,6 @@ import unittest
 import gradient_checker
 import numpy as np
 from decorator_helper import prog_scope
-from op_test import OpTest
 
 import paddle
 import paddle.fluid as fluid

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

@@ -1380,11 +1380,6 @@ class TestVarBase(unittest.TestCase):
             self.func_tensor_str_bf16()
         self.func_tensor_str_bf16()
 
-    def test_tensor_str_bf16(self):
-        with _test_eager_guard():
-            self.func_tensor_str_bf16()
-        self.func_tensor_str_bf16()
-
     def func_test_print_tensor_dtype(self):
         paddle.disable_static(paddle.CPUPlace())
         a = paddle.rand([1])

python/paddle/fluid/tests/unittests/xpu/test_bilinear_interp_v2_op_xpu.py

@@ -18,7 +18,6 @@ import unittest
 import numpy as np
 
 sys.path.append("..")
-import unittest
 
 from op_test_xpu import XPUOpTest
 from xpu.get_test_cover_info import (

python/paddle/fluid/tests/unittests/xpu/test_collective_base_xpu.py

@@ -14,6 +14,7 @@
 
 import os
 import pickle
+import socket
 import subprocess
 import sys
 import tempfile
@@ -165,10 +166,6 @@ def runtime_main(test_class, col_type, sub_type):
     model.run_trainer(args)
 
 
-import socket
-from contextlib import closing
-
-
 class TestDistBase(unittest.TestCase):
     def setUp(self):
         self._port_set = set()

python/paddle/fluid/tests/unittests/xpu/test_mean_op_xpu.py

@@ -26,7 +26,6 @@ from paddle.fluid import Program, program_guard
 
 np.random.seed(10)
 
-from op_test_xpu import XPUOpTest
 from xpu.get_test_cover_info import (
     XPUOpTestWrapper,
     create_test_class,

python/paddle/fluid/tests/unittests/xpu/test_roll_op_xpu.py

@@ -79,7 +79,7 @@ class XPUTestRollOp(XPUOpTestWrapper):
             self.shifts = [8, -1]
             self.axis = [-1, -2]
 
-    class TestRollOpCase4(TestXPURollOp):
+    class TestRollOpCase5(TestXPURollOp):
         def init_shapes(self):
             self.x_shape = (100, 10, 5, 10)
             self.shifts = [20, -1]

python/paddle/fluid/tests/unittests/xpu/test_sequence_unpad_op_xpu.py

@@ -19,9 +19,6 @@ import numpy as np
 
 sys.path.append("..")
 
-import unittest
-
-import numpy as np
 from op_test_xpu import XPUOpTest
 from xpu.get_test_cover_info import (
     XPUOpTestWrapper,

python/paddle/jit/dy2static/call_transformer.py

@@ -62,7 +62,7 @@ class CallTransformer(BaseTransformer):
                 'enumerate',
                 'print',
             }
-            is_builtin = eval("is_builtin({})".format(func_str))
+            is_builtin = eval("is_builtin({})".format(func_str))  # noqa: F811
             need_convert = func_str in need_convert_builtin_func_list
             return is_builtin and not need_convert
         except Exception:

python/paddle/nn/functional/activation.py

@@ -14,7 +14,6 @@
 
 import paddle
 from paddle import _C_ops, _legacy_C_ops, in_dynamic_mode
-from paddle.fluid.framework import _in_legacy_dygraph, in_dygraph_mode
 from paddle.framework import core
 
 from ...fluid.data_feeder import check_dtype, check_variable_and_dtype

python/paddle/nn/functional/common.py

@@ -14,7 +14,6 @@
 
 import paddle
 from paddle import _C_ops, _legacy_C_ops
-from paddle.fluid.framework import _in_legacy_dygraph
 from paddle.fluid.layer_helper import LayerHelper
 from paddle.fluid.layers.tensor import fill_constant
 from paddle.framework import core, in_dynamic_mode

python/paddle/nn/functional/loss.py

@@ -17,7 +17,7 @@
 import paddle
 import paddle.fluid as fluid
 from paddle import _C_ops, _legacy_C_ops, in_dynamic_mode
-from paddle.framework import _non_static_mode, core
+from paddle.framework import core
 from paddle.utils import deprecated
 
 from ...fluid.data_feeder import check_variable_and_dtype

python/paddle/nn/layer/__init__.py

@@ -43,7 +43,6 @@ from .common import Dropout  # noqa: F401
 from .common import Dropout2D  # noqa: F401
 from .common import Dropout3D  # noqa: F401
 from .common import AlphaDropout  # noqa: F401
-from .common import Upsample  # noqa: F401
 from .common import UpsamplingBilinear2D  # noqa: F401
 from .common import UpsamplingNearest2D  # noqa: F401
 from .common import Fold

python/paddle/tensor/math.py

@@ -30,7 +30,6 @@ from ..fluid.data_feeder import (
     convert_dtype,
 )
 from ..fluid.dygraph.inplace_utils import inplace_apis_in_dygraph_only
-from ..fluid.framework import _in_legacy_dygraph
 from ..fluid.layers import elementwise_sub, utils
 from ..framework import (
     LayerHelper,

python/paddle/tests/test_transforms.py

@@ -652,7 +652,7 @@ class TestTransformsTensor(TestTransformsCV2):
             transform = transforms.RandomResizedCrop(64)
             transform(1)
 
-    test_color_jitter = None
+    test_color_jitter = None  # noqa: F811
 
 
 class TestFunctional(unittest.TestCase):

python/paddle/utils/flops.py

@@ -117,7 +117,7 @@ def _elementwise_mul_flops(input_shapes, attrs):
 
 
 @register_flops("elementwise_div")
-def _elementwise_mul_flops(input_shapes, attrs):
+def _elementwise_div_flops(input_shapes, attrs):
     """FLOPs computation for elementwise_div op.
     For elementwise_div(input,other):
         input_shapes = [shape_of_input, shape_of_ohther]