mypy
https://github.com/python/mypy
Python
Optional static typing for Python
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- Issues
- Cannot infer generic parameter types within `match` statements
- redundant-expr does not work with TypeVar with multiple constraints
- Cryptic "object is not iterable" warning when __iter__ is incorrectly annotated.
- Generic TypeGuard inferred as Never when passed as Callable with recursive Union type
- type narrowing vs assert vs unreachability changed in PR #17818 (between mypy 1.11 and 1.12)
- Add explanations of the yield statement to common_issues.rst Fixes #17996
- TypeVar bound not respected in Generic class method overloads
- Unsupported operand type for ~ ("auto")
- Incorrect `Any` class method return type inference with Generic TypeVars in separate modules
- `mypy --any-exprs-report` depends on formatting
- Docs
- Python not yet supported