pytorch

c68d230c - Replace str by repr for DataChunk (#63184)

Replace str by repr for DataChunk (#63184) Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/63184 Test Plan: Imported from OSS Reviewed By: bdhirsh Differential Revision: D30288892 Pulled By: ejguan fbshipit-source-id: 45c88fdd3987e234f2c22ebbbfd8d5044983c34c