Fix pre-commit hook issues

Author: currantw

.pre-commit-config.yaml

@@ -31,7 +31,7 @@ repos:
     rev: v1.5.1
     hooks:
       - id: mypy
-        additional_dependencies: [pytest]
+        additional_dependencies: [pytest, pandas-stubs]
         args: [--strict]
 
   - repo: https://github.com/igorshubovych/markdownlint-cli