[error] invalid-argument-type - Argument to bound method `GroupMixin.remove_all_commands` is incorrect: Argument type `Command[CogT@GroupMixin, (...), Any] & GroupMixin[object]` does not satisfy upper bound `GroupMixin[CogT@GroupMixin]` of type variable `Self`
[error] invalid-argument-type - Argument to function `sync_to_async` is incorrect: Expected `(**_P@push_async_callback) -> None`, found `def remove_signal_handlers() -> None`