pytorch

79f18c1a - Minor FX test fix for TorchDynamo (#79206)

Minor FX test fix for TorchDynamo (#79206) `torch.nn.Identity` gets optimized away with TorchDynamo. Replacing with `torch.nn.tanh`. @jansel Pull Request resolved: https://github.com/pytorch/pytorch/pull/79206 Approved by: https://github.com/jansel