Don't error if _warned_capturable_if_run_uncaptured not set (#80345) (#80345) (#81865)
Summary:
This can happen if an optimizer was pickled.
Signed-off-by: Edward Z. Yang <ezyang@fb.com>
Pull Request resolved: https://github.com/pytorch/pytorch/pull/80345
Approved by: https://github.com/malfet, https://github.com/albanD
Test Plan: contbuild & OSS CI, see https://hud.pytorch.org/commit/pytorch/pytorch/57f001f35a22952d4f39a33c739b447c10136a7f
Reviewed By: b0noI
Differential Revision: D37523001
Pulled By: ezyang
fbshipit-source-id: 750884421d3f398695c24c351d8d6b26a501045a
Co-authored-by: Edward Z. Yang (Meta Employee) <ezyang@fb.com>
