Clang-format powerSGD_hook.py (#54839)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/54839
ghstack-source-id: 125089465
Test Plan: N/A
Reviewed By: rohan-varma
Differential Revision: D27384796
fbshipit-source-id: 8312059f6a47d60ca29f75041141bb88804e1b32
