mypy
https://github.com/python/mypy
Python
Optional static typing for Python
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- Issues
- Support multi-statement inference for custom types
- Try block handling assumes all statements could have succeeded
- no error when getter and setter types don't match in `property.__init__`
- TypedDict -> dict compatibility
- no error when setting `init=False` on `Final` field in dataclass
- no error when using `field` outside of a `dataclass`
- generics used in type aliases incorrectly cause `Expression type contains "Any"` error
- Type narrowing on all() call
- Confusing error when subclassing `var.__class__`
- Inconsistency in `reveal_type(some_type)`
- Docs
- Python not yet supported