mypy
https://github.com/python/mypy
Python
Optional static typing for Python
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- Issues
- valid-type not reported for variables imported in other modules
- False positive when accessing a TypedDict in a list comprehension
- Regression: Unclear error message when using `Any`
- MyPy fails on Python 3.14 PEP 750 template string (tstring, t-string), e.g. `t'{42}'`
- Fix wrong names listed in "too few arguments" message
- Code after `yield from` a generator that cannot end should be unreachable
- feat(overloads): Expand finite sum types into a union of possible types
- `func-returns-value` false positive for union type?
- No-field class derived from `dataclass_transform` base class uses base class's constructor signature
- Comparison operators emit "Unsupported operand types" when using `isinstance` to narrow `TypeVar` to union of numeric types
- Docs
- Python not yet supported