mypy
https://github.com/python/mypy
Python
Optional static typing for Python
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- Issues
- Reusing variable name in different scopes
- mypy gives 'not defined' error for use after global declaration
- TypedDict as default_factory in dataclasses is not inferred correctly
- Class typevars lose information from `isinstance` checks
- Give better error message if type inference fails because of unsatisfiable upper bound
- mypy thinks `raise NotImplemented` is okay
- Default values for generic attributes are unsafe
- error in argument when using chained function-call
- Prefer `__new__` over `__init__` for determining callable type of a class
- Infer generic types for default implementations
- Docs
- Python not yet supported