mypy
https://github.com/python/mypy
Python
Optional static typing for Python
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- Issues
- (🎁) `isinstance`/`issubclass` only accept `typing.Union`s of `type`s, not other type forms
- (🐞) `|` operator with `_SpecialForm` determined to be `types.UnionType` it's actually `typing.Union`
- Allow unsafe overrides in sub-subclasses that are compatible with subclass
- (🐞) Artificially literal bools not considered when performing reachability checks where branch terminates
- Error on instance property and init-only variable with the same name in a dataclass
- Errors not always reported for a file in incremental mode (reopening #4043)
- Consider merging command line flags and configuration file options descriptions
- Allow ignore to be on any line of multi-line statement
- (🐞) Invalid per-module options in inline configuration are silently ignored
- Mypy over Language Server Protocol and VS Code extension
- Docs
- Python not yet supported