pytorch

49f0e5df - Fix typing errors in torch.distributed.*, close issue #42967. (#47534)

Fix typing errors in torch.distributed.*, close issue #42967. (#47534) Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/47534 Test Plan: Imported from OSS Reviewed By: walterddr Differential Revision: D24952497 Pulled By: xuzhao9 fbshipit-source-id: 063bfd0707198436fcfd9431f72f9a392bc0017e