mypy
https://github.com/python/mypy
Python
Optional static typing for Python
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- Issues
- `Any` subclass in `Dict` not being compatible with `Any` generates confusing message
- Non-overlapping identity check when member variable mutated by function call
- Abstract class properties that are classes incorrectly reported in assignments
- Generic[T_co] erroring when T_co = TypeVar("T_co", A, B, covariant=True) and passed subclass of A
- An experiment in disallowing expression statements (or "unused values"), must_use/MustUse etc.
- Better error message for incompatible type assignment when using Generics
- Config file format is inconvenient when you have a lot of untyped dependencies
- Speeding up CI
- Cannot turn existing dictionary into TypedDict
- Partially fixes issue 8625
- Docs
- Python not yet supported