Remove py2 compatible future imports (pytorch#44735)

Summary: Pull Request resolved: pytorch#44735

Reviewed By: mruberry

Differential Revision: D23731306

Pulled By: ezyang

fbshipit-source-id: 0ba009a99e475ddbe22981be8ac636f8a1c8b02f

Author: zasdfgbnm

.jenkins/pytorch/win-test-helpers/run_python_nn_smoketests.py

@@ -1,7 +1,5 @@
 #!/usr/bin/env python
 
-from __future__ import print_function
-
 import subprocess
 import os
 

aten/src/ATen/native/quantized/cpu/qnnpack/generate-wrapper.py

@@ -1,4 +1,3 @@
-from __future__ import print_function
 import os
 
 

benchmarks/fastrnns/bench.py

@@ -1,4 +1,3 @@
-from __future__ import print_function
 import argparse
 from collections import namedtuple
 import torch

benchmarks/fastrnns/test_bench.py

@@ -1,4 +1,3 @@
-from __future__ import print_function
 import pytest
 import torch
 from .fuser import set_fuser

benchmarks/framework_overhead_benchmark/C2Module.py

@@ -1,4 +1,3 @@
-from __future__ import absolute_import, division, print_function, unicode_literals
 from caffe2.python import workspace, core
 import numpy as np
 

benchmarks/framework_overhead_benchmark/SimpleAddModule.py

@@ -1,4 +1,3 @@
-from __future__ import absolute_import, division, print_function, unicode_literals
 import torch
 from utils import NUM_LOOP_ITERS
 

benchmarks/framework_overhead_benchmark/framework_overhead_benchmark.py

@@ -1,4 +1,3 @@
-from __future__ import absolute_import, division, print_function, unicode_literals
 from utils import ms_to_us, benchmark_module, BenchmarkConfig, ModuleConfig
 import argparse
 from C2Module import C2SimpleNet

benchmarks/framework_overhead_benchmark/pt_wrapper_module.py

@@ -1,4 +1,3 @@
-from __future__ import absolute_import, division, print_function, unicode_literals
 import torch
 
 class WrapperModule(object):

benchmarks/framework_overhead_benchmark/utils.py

@@ -1,4 +1,3 @@
-from __future__ import absolute_import, division, print_function, unicode_literals
 import time
 from collections import namedtuple
 from torch.utils import ThroughputBenchmark

benchmarks/operator_benchmark/benchmark_all_other_test.py

@@ -1,8 +1,3 @@
-from __future__ import absolute_import
-from __future__ import division
-from __future__ import print_function
-from __future__ import unicode_literals
-
 import operator_benchmark as op_bench
 from pt import ( # noqa
     add_test, as_strided_test, batchnorm_test, binary_test, cat_test,  # noqa