pytorch

a87808de - Fix bug in ShardedTensorMetadata serde. (#63902)

Fix bug in ShardedTensorMetadata serde. (#63902) Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/63902 The 'memory_format' field was not being serialized correctly and used the same encoding for different fields. ghstack-source-id: 137142406 Test Plan: waitforbuildbot Reviewed By: bowangbj Differential Revision: D30527324 fbshipit-source-id: f0f223e2d660ef6e4abae9649d9992acc36e1278