mypy
https://github.com/python/mypy
Python
Optional static typing for Python
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- Issues
- Allow conditional overload definitions
- (🎁) Narrow type based on method return type of union
- Improve error message for callables with invalid `Concatenate`
- (🐞) Same error reported multiple times on inner functions when `show-error-context` is enabled
- (🎁) Perform 'union math' on non overloaded calls
- Better documentation for the HTML report
- Mypy now treats classes with `__getitem__` as iterable
- Wrong type narrowing when using type without an argument in isinstance call
- Overlapping overloads in second-order functions cause returned value to be Any
- Incorrect "Type application has too few types"
- Docs
- Python not yet supported