[CodeStyle] remove all future import. (#46736)

python/paddle/fluid/contrib/slim/tests/test_imperative_qat_lsq.py

@@ -12,8 +12,6 @@
 # see the license for the specific language governing permissions and
 # limitations under the license.
 
-from __future__ import print_function
-
 import os
 import numpy as np
 import random

python/paddle/fluid/tests/unittests/mkldnn/test_fc_int8_mkldnn_op.py

@@ -12,8 +12,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from __future__ import print_function
-
 import unittest
 import numpy as np
 from paddle.fluid.tests.unittests.op_test import OpTest, OpTestTool

python/paddle/fluid/tests/unittests/mlu/test_huber_loss_op_mlu.py

@@ -12,8 +12,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from __future__ import print_function
-
 import unittest
 import numpy as np
 import sys

python/paddle/fluid/tests/unittests/mlu/test_yolo_box_op_mlu.py

@@ -12,7 +12,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from __future__ import division
 import sys
 
 sys.path.append("..")

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

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

python/setup.py.in

@@ -233,7 +233,7 @@ os.environ['CUDA_CACHE_MAXSIZE'] = '805306368'
 write_cuda_env_config_py(filename='@PADDLE_BINARY_DIR@/python/paddle/cuda_env.py')
 
 def write_distributed_training_mode_py(filename='paddle/fluid/incubate/fleet/parameter_server/version.py'):
-    cnt = '''from __future__ import print_function
+    cnt = '''
 
 # THIS FILE IS GENERATED FROM PADDLEPADDLE SETUP.PY