pytorch

dc5cda0c - Update min python version to 3.7 in setup.py and mypy configs (#71494)

Update min python version to 3.7 in setup.py and mypy configs (#71494) Summary: As Python-3.6 have reached EOL Pull Request resolved: https://github.com/pytorch/pytorch/pull/71494 Reviewed By: atalman Differential Revision: D33667509 Pulled By: malfet fbshipit-source-id: ab1f03085cfb9161df77ba5ce373b81f5e7ef3ae (cherry picked from commit 60343166d97b1eb1649b29a78ad390d39926b642)