mypy
https://github.com/python/mypy
Python
Optional static typing for Python
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- Issues
- New semantic analyzer: Namespace package with __init__.py breaks analysis
- False positive error: Overloaded function signatures 1 and 2 overlap with incompatible return types
- mypy not flagging subclasses with incompatible constructors
- Ignore typing errors in individual blocks
- File shadowing with --follow-imports=skip can cause crashes in incremental and daemon mode
- Rust style force handling of return value
- Implicit TypeVar expansion of a Generic via another generic method
- False error in conditional expression returning union
- Wrong typing warning for map. (Argument X to "map" has incompatible type overloaded function)
- "multiple values for keyword argument" with star expansion
- Docs
- Python not yet supported