Enforce PEP263 for PyTorch python codebase (#55346)
Summary:
All python files containing non-ASCII characters should be correctly annotated with `# -*- coding: utf-8 -*-` comment
Delete number of superfluous UTF-8 characters, most commonly UTF-8 opening closing quotation mark U+2019 (’) instead of ascii apostrophe ', for example `Module’s`->`Module's`
Pull Request resolved: https://github.com/pytorch/pytorch/pull/55346
Reviewed By: samestep
Differential Revision: D27582044
Pulled By: malfet
fbshipit-source-id: c1cd89655915858ff3a41f675cdfffff795a8e44
