pytorch

9e4a9938 - Support str for native_functions.yaml schema

Support str for native_functions.yaml schema Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/17276 Differential Revision: D14154222 Pulled By: cpuhrsch fbshipit-source-id: 411181da5399608c1d1f3218f8f570bb106c88ec