arc lint torch/utils (#13141)

Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/13141

This is an example diff to show what lint rules are being applied.

Reviewed By: mingzhe09088

Differential Revision: D10858478

fbshipit-source-id: cbeb013f10f755b0095478adf79366e7cf7836ff

torch/utils/__init__.py

@@ -0,0 +1 @@
+from __future__ import absolute_import, division, print_function, unicode_literals

torch/utils/_cpp_extension_versioner.py

@@ -1,3 +1,4 @@
+from __future__ import absolute_import, division, print_function, unicode_literals
 import collections
 
 

torch/utils/checkpoint.py

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

torch/utils/collect_env.py

@@ -1,5 +1,6 @@
 # This script outputs relevant system environment info
 # Run it with `python collect_env.py`.
+from __future__ import absolute_import, division, print_function, unicode_literals
 import re
 import subprocess
 import sys

torch/utils/cpp_extension.py

@@ -1,3 +1,4 @@
+from __future__ import absolute_import, division, print_function, unicode_literals
 import copy
 import glob
 import imp

torch/utils/dlpack.py

@@ -1,3 +1,4 @@
+from __future__ import absolute_import, division, print_function, unicode_literals
 import torch
 
 from torch._C import _from_dlpack as from_dlpack

torch/utils/file_baton.py

@@ -1,3 +1,4 @@
+from __future__ import absolute_import, division, print_function, unicode_literals
 import os
 import time
 

torch/utils/hooks.py

@@ -1,3 +1,4 @@
+from __future__ import absolute_import, division, print_function, unicode_literals
 import collections
 import weakref
 import warnings

torch/utils/model_zoo.py

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