Disable Python-3.6 binary builds (#71163)
Summary:
Fixes #ISSUE_NUMBER
Pull Request resolved: https://github.com/pytorch/pytorch/pull/71163
Reviewed By: anjali411
Differential Revision: D33532813
Pulled By: malfet
fbshipit-source-id: ab0833c2db187c452681a17907583599ff1cb481
