pytorch

75f6dcf8 - protect destructors of python bindings that can be kept alive by c++ objects (#57488)

protect destructors of python bindings that can be kept alive by c++ objects (#57488) Summary: Such a deadlock was found for PyFunctionPreHook after adding https://github.com/pytorch/pytorch/pull/57057 This is fixing all occurrences in torch/csrc/autograd Pull Request resolved: https://github.com/pytorch/pytorch/pull/57488 Reviewed By: malfet Differential Revision: D28163321 Pulled By: albanD fbshipit-source-id: 4daf1db69674e73967fc7c5ca2a240c61340e7ca