model_dump: Make stdout argument for main a keyword-only argument (#60699)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/60699
Also add a unit test for main, which brings the test coverage up to
~98%. Also factor out the "needs importlib.resources" check into a
function for easier reuse.
Test Plan: CI
Reviewed By: dhruvbird
Differential Revision: D29380397
Pulled By: dreiss
fbshipit-source-id: bba16da85bf7bfb4370308e38c844694d01b47eb
