mypy
https://github.com/python/mypy
Python
Optional static typing for Python
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- Issues
- Treat class as frozen if __setattr__ is annotated with NoReturn
- Interference between two different type variables
- Support @no_type_check for classes
- Fine-grained: Nested class causes extra triggers to fire
- Invalid type inferred for call with *args and generic inheritance
- @overload is required when using @dispatch
- Allow type aliases be used as variables
- More specific overlapping overload errors
- `lambda: (yield)` causes spurious errors
- Don't warn about exception aliases on Python 3
- Docs
- Python not yet supported