mypy
https://github.com/python/mypy
Python
Optional static typing for Python
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- Issues
- Bad error with Protocol and class heirarchy with overloads
- EncodingWarning when running under PyPy
- generics are removed from function signatures that are assigned to `Callable` types
- mypy sometimes confuses nested classes-in-functions which share the same name
- False "type assignment error" when assigning an instance of `Field` class or classes extended from it.
- type inferance from await asyncio.gather() with 6 elements no longer works
- ClassVar[TypeAlias] in dataclass-like classes becomes Any
- Unclear error message: incompatible type "type[str]"; expected "Callable[[_T], _T]"
- (🐞) `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
- Docs
- Python not yet supported