mypy
https://github.com/python/mypy
Python
Optional static typing for Python
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- Issues
- Allow returning Literals in __new__
- Type comment strip
- Malformed type comment halts checking
- False positive "Overloaded function signature 2 will never be matched: signature 1's parameter type(s) are the same or broader" when using Unions vs TypeVars
- dmypy not reporting an issue that mypy finds
- Redefinition using the same type should not be an error
- Signature incompatible with mapping when key is a union of 2 types
- Implementation of annotated abstractmethod is typed as Any
- (🎁) Support setter defined on subtype
- Can't check only submodules (except if installed with `pip install -e .`)
- Docs
- Python not yet supported