Revert .pre-commit-config.yaml

.pre-commit-config.yaml

 repos:
 -   repo: https://github.com/pre-commit/mirrors-autopep8
-    rev: 'v1.5.7'  # Use the sha / tag you want to point at
+    rev: ''  # Use the sha / tag you want to point at
     hooks:
     -   id: autopep8
         types: [file]