Update run_test.py (#69920)
Summary:
Do not compare LooseVersion against string
Pull Request resolved: https://github.com/pytorch/pytorch/pull/69920
Reviewed By: atalman
Differential Revision: D33101166
Pulled By: malfet
fbshipit-source-id: a2df9e01d17663262718f11e580c8b009764f7b5
