pytorch

ae3a876c - Revert D27572158: [torchelastic] Make sure torchelastic mp wait for queue to be drained before finishing the process

Revert D27572158: [torchelastic] Make sure torchelastic mp wait for queue to be drained before finishing the process Test Plan: revert-hammer Differential Revision: D27572158 (https://github.com/pytorch/pytorch/commit/e9c6a511005c2dead0f446de548e875c7fe86ae7) Original commit changeset: 9a360468acc9 fbshipit-source-id: 29f7e2cba3e134bc81fb31b7e1dfceb7c1f9d734