mypy
https://github.com/python/mypy
Python
Optional static typing for Python
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- Issues
- Can't infer tuple inside match case
- Spurious error for code that fails truthy-bool even when not enabled
- Formatting settings should not bounce mypy-daemon
- [1.12, 1.13] Regression in enum narrowing
- [1.12 regression] Erroneous `Cannot infer type argument` for open & gzip
- Overloads in generic classes are extremely slow when using generic self
- A `class MyCallable(Protocol[T]): def __call__(self) -> T: ...` behaves differently, and worse, than a `Callable[[], T]` for the purposes of type inference.
- constrained TypeVar does not allow default of one of the constraint choices
- Fix `[func-returns-value]` not being trigged when calling decorated functions
- Type narrowed to `Never` when using `TypeIs` with union of callables
- Docs
- Python not yet supported