mypy
https://github.com/python/mypy
Python
Optional static typing for Python
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- Issues
- [test]
- Incorrect diagnostic on missing submodule
- Inconsistent behavior: MyPy rejects isinstance with Any, but accepts cast from Any for ignored imports
- If Callable type is incompatible with a callable protocol, show signature of __call__
- Suggest is not None Checks for Optional Attributes in Type Annotations
- False negative: potentially unbound instance attribute doesn't trigger `possibly-undefined` error
- dmypy in a metadata reload loop with `--use-fine-grained-cache`
- TEST: Show that value restricted generic functions handle ambiguous types
- mypyc runtime tests against debug build don't actually use debug build
- Replace uses of type variable "value restriction" with "constraints"
- Docs
- Python not yet supported