More informative messages for None types comparisons (#69802)
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/69802
Test Plan: Imported from OSS
Reviewed By: anjali411
Differential Revision: D33555886
Pulled By: Gamrix
fbshipit-source-id: 3045cbe04de22f05db41a99ad3dda90c5271aa0f
