Fix circleci postnightly jobs (#39627)
Summary:
Fixes https://github.com/pytorch/pytorch/issues/39626.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/39627
Differential Revision: D21920220
Pulled By: seemethere
fbshipit-source-id: 0cd2aa10f01b3f65ca4c330ff8bdf941824b7be3
