mypy
https://github.com/python/mypy
Python
Optional static typing for Python
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- Issues
- reveal_type not run in "unreachable" branches
- Cryptic "object is not iterable" warning when __iter__ is incorrectly annotated.
- Generic TypeGuard inferred as Never when passed as Callable with recursive Union type
- A constrained TypeVar value fails type() narrowing tests
- mypy recurses into build directory and fails
- type narrowing vs assert vs unreachability changed in PR #17818 (between mypy 1.11 and 1.12)
- [stubgen] Improve dataclass init signatures
- Add explanations of the yield statement to common_issues.rst Fixes #17996
- Docs
- Python not yet supported