mypy
https://github.com/python/mypy
Python
Optional static typing for Python
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- Issues
- Disallow explicit type aliases in function scope
- Callables like `operator.call` produce `arg-type` error with callables that take `*args: Unpack[Ts]` and >= 1 keyword argument
- stubgen: mangles from _typeshed import Incomplete
- Function returning union of type variables has inference/unification behaviour change when assigned to explicitly-typed location
- False positive errors with anonymous and inline declaration of namedtuple types
- More specific type inference from structural pattern matching
- `--untyped-calls-exclude` should consider inheritance
- Cache re-used incorrectly
- `--untyped-calls-exclude` does not work with `super()`
- Exhaustive checks with `assert_never` when using `match` on a 2-tuple fails
- Docs
- Python not yet supported