replace black list with block (#42091)
Summary:
Fixes https://github.com/pytorch/pytorch/issues/41729
Pull Request resolved: https://github.com/pytorch/pytorch/pull/42091
Reviewed By: pbelevich
Differential Revision: D22792096
Pulled By: ezyang
fbshipit-source-id: caafa42d12cbad377b67ddbaba8f84a2b8c98066
