> It seems like every library has their own system Well there are like 3 or 4 checkers existing. Then there's pydantic which needs a mypy plugin because it us

> It seems like every library has their own system Well there are like 3 or 4 checkers existing. Then there's pydantic which needs a mypy plugin because it uses the types in a very non-standard way. But I use typedload (which I wrote) so that's not an issue for me. Other than pydantic I've just encountered libraries without type definitions, or done properly. Perhaps the fact that I tend to avoid adding dependencies helps me there.