mypy
https://github.com/python/mypy
Python
Optional static typing for Python
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- Issues
- dict type incorrectly converted (widened?) to object via TypeVar and overload
- enumerating concrete subclasses of an abstract base class causes false positive "Cannot instantiate abstract class X with abstract attribute Y"
- Stubtest: add some hacks so that `sys.monitoring` is checked in typeshed's CI
- `test_update_data` fails when `-x` is in `PYTEST_ADDOPTS`
- Parameters for a call to a function wrapped in a lru_cache are not checked
- Identical, anonymous intersection types causes incompatible import [assignment] error when imported via *
- Checking elements of a `list[str | None]` after discarding the possibility of `None`
- type inference is fragile for protocols like SupportsKeysAndGetItem
- Support frozen=TYPE_CHECKING for dataclasses
- mypy gets confused between non-re-exported import and a submodule of the same name
- Docs
- Python not yet supported