mypy
https://github.com/python/mypy
Python
Optional static typing for Python
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- Issues
- Inconsistent "Incompatible return type" error when `List[int]` is returned for `List[Union[str, int]]` when layered up with Tuple/Union
- [Documentation] Minor change: Unify indexes in Variance of generic types description
- Fixes issue #17840 (shows signature of __call__ for incompatible function argument)
- overload with wrong return type is ignored
- Iteration over a Enum fails to typecheck if it's the Flag subclass
- False negative when lvalue has union type
- [test]
- Incorrect diagnostic on missing submodule
- Inconsistent behavior: MyPy rejects isinstance with Any, but accepts cast from Any for ignored imports
- If Callable type is incompatible with a callable protocol, show signature of __call__
- Docs
- Python not yet supported