Merge pull request #7962 from bluetech/mypy-typed-deps

pre-commit: install typed dependencies in the mypy target

Author: bluetech

.pre-commit-config.yaml

@@ -56,6 +56,9 @@ repos:
         args: []
         additional_dependencies:
           - iniconfig>=1.1.0
+          - py>=1.8.2
+          - attrs>=19.2.0
+          - packaging
 -   repo: local
     hooks:
     -   id: rst