refactor yaml loader import, no runtime change (#59850)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/59850
This whole stack does not change anything to the codegened code
Test Plan: Imported from OSS
Reviewed By: ailzhang
Differential Revision: D29063816
Pulled By: albanD
fbshipit-source-id: ca3067443d8e6282c1077d3dafa3b4f330d43b28
