mypy
https://github.com/python/mypy
Python
Optional static typing for Python
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- Issues
- codespell: add config (to ignore), workflow and fix typos it detects + adjust 1 .gitignore to not ignore committed folder
- Exhaustiveness checking fails on non-trivial use of pattern matching
- Possibly-undefined: allow assertions on the lengths of sequences
- "Type variable is invalid as target for type alias" error on new union syntax when not using `TypeAlias` type
- Misleading warning message when using ABCMeta instead of Protocol
- Support instantiation of type[SomeTypeVar] -> SomeTypeVar
- mypy rejects unpacking into same variable
- Spurious errors on the builtin open when running mypy on mypy
- appending `#type:ignore` to an import does more than skipping analyzing the import
- (📚) Update comment in `Literal` example to explain why the redundant overload is needed
- Docs
- Python not yet supported