Avoid logging zeros (#139968)
Summary:
title
X-link: https://github.com/pytorch/pytorch/pull/139968
Approved by: https://github.com/zou3519
Reviewed By: kit1980
Differential Revision: D65582953
Pulled By: laithsakka
fbshipit-source-id: 7352f0c21a4f69df2eb0cd857049bbb001010b84
