pytorch

0387f2a6 - Fix default value of `num_replicas` in DistributedSampler docstring (#48135)

Fix default value of `num_replicas` in DistributedSampler docstring (#48135) Summary: Change default value of `num_replicas` from `rank` to `world_size` in DistributedSampler docstring. Addresses https://github.com/pytorch/pytorch/issues/48055 Pull Request resolved: https://github.com/pytorch/pytorch/pull/48135 Reviewed By: gchanan Differential Revision: D25045328 Pulled By: rohan-varma fbshipit-source-id: 6f84f7bb69087d8dae931cda51891b3cb1894306