Add getPyInterpreter() API (#62659)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/62659
It turns out that it is occasionally useful to be able to access the
PyInterpreter object from other Python bindings (see next diff in the
stack). Make it publicly available.
Signed-off-by: Edward Z. Yang <ezyang@fb.com>
Test Plan: Imported from OSS
Reviewed By: albanD
Differential Revision: D30074926
Pulled By: ezyang
fbshipit-source-id: 2f745ab7c7a672ed7215231fdf9eef6af9705511
