mypy
https://github.com/python/mypy
Python
Optional static typing for Python
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- Issues
- When specifying a TypeVar to be a Callable, or union of Callables, ParamSpec cannot be used to indicate parameter types
- False-positive "Overloaded function signatures overlap with incompatible return types"
- Misleading issue text when return type doesn't match type annotation
- False positive error "incompatible type" calling super() on a generic class with TypeVar constraints
- `possibly-undefined` rule should respect exhaustive checking
- (📚) Update comment in `Literal` example to explain why the redundant overload is needed
- Type narrowing for dict.get("key") is not None
- Allow a base class to restrict the type of subclass's inner class
- (🐞) `overload`s that exhaust finite `Literal`s(`bool`/`Enum`) not treated as exhaustive
- None is not a possible value for type variable bound to optional value?!
- Docs
- Python not yet supported