pytorch

ad0cd8a7 - [DataPipe] Improve inline doc and testing for CollatorIterDataPipe (#70139)

[DataPipe] Improve inline doc and testing for CollatorIterDataPipe (#70139) Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/70139 cc VitalyFedyunin ejguan NivekT Test Plan: Imported from OSS Reviewed By: ejguan Differential Revision: D33199107 Pulled By: NivekT fbshipit-source-id: f96d77490998ac9bc3da8d4ff1a9caa08e9e7f27