pytorch

091f8915 - Revert "Mixed Precision batchnorm fix (#77089)"

Revert "Mixed Precision batchnorm fix (#77089)" This reverts commit bf61b795031b4f30b2cf1267c5625bfe36cd5f3c. Reverted https://github.com/pytorch/pytorch/pull/77089 on behalf of https://github.com/suo