Reformat run_test.py (#63808)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/63808
`black run_test.py`
Test Plan: Imported from OSS
Reviewed By: seemethere
Differential Revision: D30497437
Pulled By: driazati
fbshipit-source-id: 41b29b73f41fa4bb15fce5eaa69f8efe614e02f7
