[CodeStyle][F401] fix incremental flake8 F401 and F541 issues (#46926)

python/paddle/distributed/communication/stream/reduce_scatter.py

@@ -13,7 +13,6 @@
 # limitations under the License.
 
 import paddle
-import paddle.distributed as dist
 import paddle.fluid.framework as framework
 from paddle.distributed.communication.group import _get_global_group
 from paddle.distributed.communication.reduce import _get_reduce_op, ReduceOp
@@ -30,11 +29,11 @@ def _check_tensor_shape(tensor, shape, nranks=1):
 def _check_tensor_list_shape(tensor_list, shape, nranks=1):
     if len(tensor_list) != nranks:
         raise RuntimeError(
-            f"The tensor_list for reduce_scatter is not correctly-sized.")
+            "The tensor_list for reduce_scatter is not correctly-sized.")
     for tensor in tensor_list:
         if tensor.shape != shape:
             raise RuntimeError(
-                f"The tensor_list for reduce_scatter is not correctly-sized.")
+                "The tensor_list for reduce_scatter is not correctly-sized.")
 
 
 def _reduce_scatter_tensor_in_dygraph(out_tensor,

python/paddle/distributed/communication/stream/scatter.py

@@ -28,11 +28,11 @@ def _check_tensor_shape(tensor, shape, nranks=1):
 def _check_tensor_list_shape(tensor_list, shape, nranks=1):
     if len(tensor_list) != nranks:
         raise RuntimeError(
-            f"The tensor_list for scatter is not correctly-sized.")
+            "The tensor_list for scatter is not correctly-sized.")
     for tensor in tensor_list:
         if tensor.shape != shape:
             raise RuntimeError(
-                f"The tensor_list for scatter is not correctly-sized.")
+                "The tensor_list for scatter is not correctly-sized.")
 
 
 def _scatter_tensor_in_dygraph(out_tensor, in_tensor, src, group, sync_op,

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

@@ -15,9 +15,7 @@
 import os
 import numpy as np
 import paddle
-import paddle.fluid as fluid
 import paddle.distributed as dist
-import test_communication_api_base as test_base
 import test_collective_api_base as test_collective_base
 
 

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

@@ -15,9 +15,7 @@
 import os
 import numpy as np
 import paddle
-import paddle.fluid as fluid
 import paddle.distributed as dist
-import test_communication_api_base as test_base
 import test_collective_api_base as test_collective_base
 
 

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

@@ -13,8 +13,6 @@
 # limitations under the License.
 
 import unittest
-import paddle
-import itertools
 import test_communication_api_base as test_base
 
 

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

@@ -13,8 +13,6 @@
 # limitations under the License.
 
 import unittest
-import paddle
-import itertools
 import test_communication_api_base as test_base
 
 

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

@@ -13,8 +13,6 @@
 # limitations under the License.
 
 import unittest
-import paddle
-import itertools
 import test_communication_api_base as test_base
 
 

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

@@ -13,8 +13,6 @@
 # limitations under the License.
 
 import unittest
-import paddle
-import itertools
 import test_communication_api_base as test_base
 
 

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

@@ -13,8 +13,6 @@
 # limitations under the License.
 
 import unittest
-import paddle
-import itertools
 import test_communication_api_base as test_base
 
 

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

@@ -13,8 +13,6 @@
 # limitations under the License.
 
 import unittest
-import paddle
-import itertools
 import test_communication_api_base as test_base
 
 

python/paddle/fluid/tests/unittests/xpu/test_lookup_table_v2_op_xpu.py

@@ -22,7 +22,6 @@ import paddle
 import paddle.fluid.core as core
 import paddle.fluid as fluid
 from paddle.fluid.op import Operator
-import paddle.compat as cpt
 import paddle.fluid as fluid
 from paddle.fluid import Program, program_guard
 

python/paddle/nn/layer/rnn.py

@@ -14,7 +14,6 @@
 
 import six
 import math
-import sys
 from functools import reduce
 
 import numpy as np

python/paddle/tests/test_callback_visualdl.py

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

tools/prune_for_jetson.py

@@ -17,7 +17,6 @@ when cmake ON_INFER=ON, which can greatly reduce the volume of the prediction li
 """
 
 import os
-import sys
 import re
 import glob
 

tools/remove_grad_op_and_kernel.py

@@ -17,7 +17,6 @@ when cmake ON_INFER=ON, which can greatly reduce the volume of the prediction li
 """
 
 import os
-import sys
 import re
 import glob