Mypy Strict Mode with Django

When to Use

• Running mypy --strict on a Django + Django REST Framework project
• Encountering "User | AnonymousUser" type union errors in views
• Getting "import-untyped" warnings for third-party Django packages
• Library stub missing errors (django-allauth, channels, stripe, gemini, nanoid, etc.)
• Protocol definition issues with async methods
• Test file type annotation errors

Instructions

Step 1: Categorize All Errors

Run mypy and group errors by type: