pre-commit: add mypy

Author: pthom

.pre-commit-config.yaml

@@ -46,10 +46,10 @@ repos:
     # - id: ruff-format
 
 # Run mypy static type checking
-#- repo: https://github.com/pre-commit/mirrors-mypy
-#  rev: v1.20.1
-#  hooks:
-#    -   id: mypy
+- repo: https://github.com/pre-commit/mirrors-mypy
+  rev: v1.20.1
+  hooks:
+    -   id: mypy
 
 ## Black, the code formatter, natively supports pre-commit
 #- repo: https://github.com/psf/black