mypy
https://github.com/python/mypy
Python
Optional static typing for Python
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- Issues
- narrowing union of lists by type of an item in the list doesn't work
- None-ness falsely assumed in loop
- input type for lambda with union of `Callable`s is inferred as `Any`
- Now overloads with ambiguous `self` are handled properly
- Type not narrowed on `isinstance(obj, Callable)` check
- Assigning a variable from either of two optional variables
- Make type checking mypy more straightforward for new contributors
- bug: strict = true is incompatible with per-module configuration
- Inference for Literal arguments not handled
- warn when default values on overloads differ from implementation signature
- Docs
- Python not yet supported