Summary:
This is needed because the JIT declares some custom autograd functions.
colesbury
Pull Request resolved: https://github.com/pytorch/pytorch/pull/11082
Differential Revision: D9580456
Pulled By: apaszke
fbshipit-source-id: 6bf00c1188a20b2ee6ecf60e5a0099f8263ad55a
The core autograd Variable, Function, and Engine no longer depend on the
Python API. This let's us implement functions in C++. In the future, we
can also multithread engine and release the GIL for most of the
non-Python backwards.