mypy
https://github.com/python/mypy
Python
Optional static typing for Python
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- Issues
- Generic subclass of a generic class, using a constrained TypeVar is mishandled
- Generic TypedDict and inferring return value
- MyPy fails to check `TypedDict.update` call with only explicit keyword arguments
- Variance inference gets lost with union types
- `attr-defined` on modules depends on imports in other files
- incompatible override false positive on method that uses descriptor with contravariant generic
- Unexpected Errors When Using Invariant, Covariant, and Contravariant Type Variables in Protocols for `__class_getitem__`
- Enable checking for f strings
- Incorrect type narrowing for `x in y` pattern when `x` is `type[T]` and `y` is an iterable of class objects
- False Positive when assigning to union type as dictionary key
- Docs
- Python not yet supported