pytorch

64cdc648 - fix submodule traversal in FoldPrepackedWeightIntoModule (#29925)

fix submodule traversal in FoldPrepackedWeightIntoModule (#29925) Summary: similar to https://github.com/pytorch/pytorch/pull/29914 Pull Request resolved: https://github.com/pytorch/pytorch/pull/29925 Differential Revision: D18548029 Pulled By: jerryzh168 fbshipit-source-id: 7b36133454c5190be19380bf125203807ea0b129