Change type inferred from empty annotation (#45360)
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/45360
Test Plan: Imported from OSS
Reviewed By: gmagogsfm
Differential Revision: D24078645
Pulled By: ansley
fbshipit-source-id: 5d37d07df75bd7a2111d44638befe53c1021ee82
