pytorch

26c51468 - Fix examples in RRef API doc

Fix examples in RRef API doc Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/30857 Test Plan: Imported from OSS Differential Revision: D18847527 Pulled By: mrshenli fbshipit-source-id: 7dc9d28277597f8fc3ef97fa9ac98a312e76e6fb