mypy
https://github.com/python/mypy
Python
Optional static typing for Python
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- Issues
- Ordered dataclass that inherits from abstract set produces (incorrect) errors
- Allow partial overlap when checking overload alternatives
- False positive: unreachable
- Callable with Iterator[T] return type and default function with compatible return type, errors
- type: ignore for “incompatible with supertype” error in subclass should suffice for subsubclasses too
- `@overload` breaks with named tuple and some overloaded functions
- warn-unreachable behaves differently on else-return than on bare return
- allow_redefinition ignored for functions
- Default value of keyword parameter in custom Protocol is not used
- Overloading a function with a parameter that can be either SomeType[Any] or Any always results in the return type Any
- Docs
- Python not yet supported