pytorch

101a6263 - Improve `distributed.get_rank()` API docstring (#63296)

Improve `distributed.get_rank()` API docstring (#63296) Summary: See discussion in https://pytorch.slack.com/archives/CBHSWPNM7/p1628792389008600 Pull Request resolved: https://github.com/pytorch/pytorch/pull/63296 Reviewed By: cbalioglu Differential Revision: D30332042 Pulled By: mrshenli fbshipit-source-id: 3a642fda2e106fd35b67709ed2adb60e408854c2