pytorch

ad8eddbd - More robust check of whether a class is defined in torch (#64083)

More robust check of whether a class is defined in torch (#64083) Summary: This would prevent bugs for classes that 1) Is defined in a module that happens to start with `torch`, say `torchvision` 2) Is defined in torch but with an import alias like `import torch as th` Pull Request resolved: https://github.com/pytorch/pytorch/pull/64083 Reviewed By: soulitzer Differential Revision: D30598369 Pulled By: gmagogsfm fbshipit-source-id: 9d3a7135737b2339c9bd32195e4e69a9c07549d4