mypy
https://github.com/python/mypy
Python
Optional static typing for Python
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- Issues
- Generic function can't make function call with mapping unpacking
- Use pretty_callable for callables with non-positional args
- Literal type math
- "Statement is unreachable" false positive when calling `callable` on union with `object`
- warn-unreachable false-positive when method updates attribute after assert
- Implicit type aliases not recognised with PEP 604 + import cycles
- NoReturn return type with singledispatch causing weird errors
- generic mutable class attributes introduce a vent in the type system
- mypy does not handle __class_getitem__
- `type[T]` is not `() -> T`
- Docs
- Python not yet supported