pytorch

48771d1c - [BC-breaking] Change dtype of softmax to support TorchScript and MyPy (#68336)

[BC-breaking] Change dtype of softmax to support TorchScript and MyPy (#68336) Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/68336 Test Plan: Imported from OSS Reviewed By: VitalyFedyunin Differential Revision: D32470965 Pulled By: cpuhrsch fbshipit-source-id: 254b62db155321e6a139bda9600722c948f946d3