mypy
https://github.com/python/mypy
Python
Optional static typing for Python
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- Issues
- Overloaded function as a subtype of function with union types args/return
- No "missing return" error in function declared "-> X" where X is Any due to missing import
- Document how joins work
- Confusing error message from defaultdict
- Give a warning if a local variable is assigned to but never read
- Add more test for plugin infrastructure
- Inconsistent type inference with Union[List[int], T] context
- Check type object as the second super() argment
- Modules lack fine-grained dependencies on their ancestors
- Invalid type inferred for attribute initialized to `None` in class body
- Docs
- Python not yet supported