mypy
https://github.com/python/mypy
Python
Optional static typing for Python
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- Issues
- mypy cache bug in particular configuration of packages, files, and imports
- Overriding `__eq__` can break Optional/Literal narrowing assumptions
- @overload using `Sequence[Never]` to match empty sequence
- Check with Mypyc level of strictness
- TypeVar declared at class scope with generic bound specialized on an in-scope generic parameter TypeVar doesn't give an error
- Inference failure in `return` statement with `next` and `or`
- (🐞) no error with `|` operator on `tuple` and `type`
- Unpacking an iterable in a list comprehension leads to the type inferred as list[Any]
- [stubgen] Nested classes in `NamedTuple`s are not produced
- Improve generic arguments inference for overloads
- Docs
- Python not yet supported