ContextQMD
Back to Ruff

TypeError: duplicate base class

crates/ty_python_semantic/resources/lint_docs/duplicate-base.md

0.15.18263 B
Original Source

What it does

Checks for class definitions with duplicate bases.

Why is this bad?

Class definitions with duplicate bases raise TypeError at runtime.

Examples

python
class A: ...


# TypeError: duplicate base class
class B(A, A): ...  # error