mypy
https://github.com/python/mypy
Python
Optional static typing for Python
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- Issues
- Descriptors and ClassVars
- `tuple` of different `type`s narrows to `object`
- Signatures of *in-place binary operation* and *binary operation* are incompatible
- TypeChecker.lookup_qualified can't find names in submodules
- no error when calling abstract `staticmethod`/`classmethod`
- Platform check is not remembered after `return`
- False positive passing default valued arguments to lambda
- [stubtest] Support `@final` decorator on methods as well
- Type narrowing on object attribute with match statement doesn't apply
- final TypedDict with total=False does not allow clear/popitem
- Docs
- Python not yet supported