pytorch

36e3c005 - Add python excepiton handling catch block to resolve deadlock (#35283)

Add python excepiton handling catch block to resolve deadlock (#35283) Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/35283 https://github.com/pytorch/pytorch/issues/34260 Deadlock on destructing py::error_already_set. There are request callback impls in Python, where Python exceptions could be thrown. For releasing Python exception py::objects, GIL must be held. Test Plan: ``` buck test mode/dev-nosan //caffe2/test/distributed/rpc/jit:rpc_fork buck build mode/dev-nosan //caffe2/test/distributed/rpc/jit:rpc_fork && \ buck-out/gen/caffe2/test/distributed/rpc/jit/rpc_fork\#binary.par \ -r test_torchscript_functions_not_supported ``` Differential Revision: D7753253 fbshipit-source-id: 4bfaaaf027e4254f5e3fedaca80228c8b4282e39