### Description [N801](https://docs.astral.sh/ruff/rules/invalid-class-name/) complains that `class __PrivateClass: ...` should follow CapWords. In my opinion that is the case, but the dunder prefix triggers this rule. [playground](https://play.ruff.rs/1fd9ed9e-a28e-4c68-a8c5-3371c1a2e368)