mypy
https://github.com/python/mypy
Python
Optional static typing for Python
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- Issues
- False-positive typecheck with StrEnum
- fix misleading error message: MyPy should not suggest a syntactic error when function calls are included in type annotations
- erroneous type mismatch with `Union` and `Literal` (false positive)
- Make type refinement to work with `None in [a, b, c]`
- Incompatible return value type when using typevar with bound and self returning method
- Add check for comparisons like `None in list/set/tuple`
- Incompatible return value type `type[Enum]` when returning a functional-style Enum
- Type refinement does not work with `None in [a, b, c]`, `any()`, or `all()` checks
- false error with simple nested structure
- `TypeGuard` has no effect when nested in the presence of other problems
- Docs
- Python not yet supported