mypy
https://github.com/python/mypy
Python
Optional static typing for Python
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- Issues
- Non-overlapping identity check when left operand is not optional and right operand is None
- No error for singledispatch on generic types
- NoReturn return type with singledispatch causing weird errors
- Speed up ArgKind methods by changing them into top-level functions
- no error for `collections.abc.MutableMapping` is not subscriptable
- mypy doesn't check f-strings conversions
- mypy doesn't understand function signature compatibility
- Confusing error message for a missing classmethod decorator
- no error when using `TypeGuard` outside of return type
- `typing` classes instantiation is considered valid by mypy
- Docs
- Python not yet supported