Activate mypy in pre-commit

Author: Pierre-Sassoulas

.pre-commit-config.yaml

@@ -41,10 +41,11 @@ repos:
       - id: rst-directive-colons
       - id: rst-inline-touching-normal
       - id: text-unicode-replacement-char
-  # - repo: https://github.com/pre-commit/mirrors-mypy
-  #   rev: v1.6.0
-  #   hooks:
-  #     - id: mypy
+  - repo: https://github.com/pre-commit/mirrors-mypy
+    rev: v1.6.0
+    hooks:
+       - id: mypy
+         exclude: "tests/input/"
   - repo: local
     hooks:
       - id: pylint