mypy
https://github.com/python/mypy
Python
Optional static typing for Python
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- Issues
- TypeVar resolved to a concrete type using isinstance causes mypy to become confused at the equivalence
- Recognize different setter type for properties.
- Type narrowing not found for combination of overloaded optional argument and null guard
- Common type in container is determined using constructor args
- mypy does not recognize tuple unpacking syntax for TypeVars.
- Allow PEP 604 type aliases to be used in runtime context.
- Overloaded metaclass __or__ does not keep typing
- Fails to properly narrow types on enums that have an __init__
- Analysis time binding of restricted `Generic`s
- no error when unhashable object in dict
- Docs
- Python not yet supported