Fix classmethod override argument passing. (#47114)
Summary:
Fixes https://github.com/pytorch/pytorch/issues/47069.
Fixes https://github.com/pytorch/pytorch/issues/46824.
Fixes https://github.com/pytorch/pytorch/issues/47186
Pull Request resolved: https://github.com/pytorch/pytorch/pull/47114
Reviewed By: ngimel
Differential Revision: D24649598
Pulled By: ezyang
fbshipit-source-id: af077affece7eceb1e4faf9c94d15484796b0f0e
