Improve assert failure message in test_get_torch_func_signature_exhaustive (#67039)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/67039
cc mruberry
Test Plan: Imported from OSS
Reviewed By: ngimel
Differential Revision: D31899719
Pulled By: cpuhrsch
fbshipit-source-id: 819d07da5b18b31d462010b9f9382e0b8cd10f9f