pytorch

255b103c - [WIP] Function to retrieve inspect.Signature instances for PyTorch ops (#53830)

[WIP] Function to retrieve inspect.Signature instances for PyTorch ops (#53830) Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/53830 Test Plan: Imported from OSS Reviewed By: suo Differential Revision: D26982802 Pulled By: jamesr66a fbshipit-source-id: 18fddc9f3f34b09e173de59f2fe886f8eedd000e