pytorch

6996f8d8 - Add missing `default_collate` in dataloader.pyi

Add missing `default_collate` in dataloader.pyi Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/28935 Differential Revision: D19698781 Pulled By: ezyang fbshipit-source-id: abdd735c98656ed16cd326529441d1fcec2ace3e