mypy
https://github.com/python/mypy
Python
Optional static typing for Python
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- Issues
- Fix false positive "Cannot instantiate type[None]" error
- Checking a match on an enum becomes quadratically slow after the variable was narrowed by an == check
- mypy rejects subclassing `Any` typed `*args` entries within a function
- Concurrent parallel invocations can lose worker-options files
- Narrow the remaining tuple type for sequence patterns with several refutable items
- Self is not rejected when used as a PEP 695 type parameter bound
- Fix TypeForm inference in union parameters
- Exhaustiveness of type tuple[bool, bool]
- Reject type variable whose upper bound is Self
- Type expression arguments aren't recognized as `TypeForm` when the parameter type is a union containing a `TypeForm`
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- Python not yet supported