update pep8 hook

Author: gasparev

.pre-commit-config.yaml

@@ -19,7 +19,6 @@ repos:
     hooks:
     -   id: pyupgrade
         args: [--py37-plus]
--   repo: https://github.com/pre-commit/mirrors-autopep8
-    rev: v2.0.4
+-   repo: https://github.com/hhatto/autopep8
     hooks:
     -   id: autopep8