mypy
https://github.com/python/mypy
Python
Optional static typing for Python
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- Issues
- Support conditionally importing from typing_extensions
- Narrowing enums causes `.value` to be typed as `Any`
- Error when only assigning one of two typevars to concrete types (but no error when assigning two or zero)
- Namespace packages supported by default?
- `NoReturn` on `__new__` and `__init__` disables accessing `@classmethod`s and `ClassVar`s directly from the class
- Mypy runs really slow on a complicated, generator-heavy function
- Test is_proper_subtype with string literals
- [docs] Added note about negative narrowing for custom type guards
- Overeager type narrowing
- Detect exhaustiveness in partially-defined variable checks
- Docs
- Python not yet supported