mypy
https://github.com/python/mypy
Python
Optional static typing for Python
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- Issues
- 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
- `TypeVar` not narrowed when using `isinstance` or `issubclass` on `final` classes
- warn redundant casts doesn't work with `Protocol.__call__`
- (🎁) Mypy too conservative with base class compatibility (Definition of in base class is incompatible)
- Type annotations in class instance attributes on variable definition by execution order vs lexical order
- (🐞) `always-true`/`always-false` doesn't activate until it's truth is checked
- generic with union value inferred as common base
- Docs
- Python not yet supported