mypy
https://github.com/python/mypy
Python
Optional static typing for Python
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- Issues
- ClassVar[TypeAlias] in dataclass-like classes becomes Any
- Unclear error message: incompatible type "type[str]"; expected "Callable[[_T], _T]"
- stubtest mishandles overloads where param is pos-only in one overload
- (🐞) `type`s/`Instance`s don't join properly with `Callable`s
- Function's argument type inference is affected by the functions return type when in a comprehension
- Decorators over `__init__()` make classes unconstructable until after the class is declared, even within functions
- Cannot infer type of lambda regression with mypy 1.9
- While loop prevents triggering "no return statement"
- Overflow errors in `constant_fold_binary_float_op` and `constant_fold_binary_int_op`
- Change end line and column for untyped function defs to line of function definition
- Docs
- Python not yet supported