pytorch

1535520f - [DataLoader] Typing Enforcement for DataPipe at construct-time (#54066)

[DataLoader] Typing Enforcement for DataPipe at construct-time (#54066) Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/54066 ## Feature - Add a decorator `construct_time_validation` to validate each input datapipe according to the corresponding type hint. Test Plan: Imported from OSS Reviewed By: VitalyFedyunin Differential Revision: D27327236 Pulled By: ejguan fbshipit-source-id: a9d4c6edb5b05090bd5a369eee50a6fb4d7cf957