pytorch

52d7dd73 - [DOC] improve docstring for Optimizer.state_dict (#63153)

[DOC] improve docstring for Optimizer.state_dict (#63153) Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/63153 Fixes: https://github.com/pytorch/pytorch/issues/60121 Test Plan: Imported from OSS Reviewed By: pbelevich Differential Revision: D30629462 Pulled By: tugsbayasgalan fbshipit-source-id: a9160e02ac53bb1a6219879747d73aae9ebe4d2f