How to use the aiomultiprocess.scheduler.RoundRobin function in aiomultiprocess

def __init__(
        self,
        processes: int = None,
        initializer: Callable[..., None] = None,
        initargs: Sequence[Any] = (),
        maxtasksperchild: int = MAX_TASKS_PER_CHILD,
        childconcurrency: int = CHILD_CONCURRENCY,
        queuecount: Optional[int] = None,
        scheduler: Scheduler = None,
    ) -> None:
        self.context = get_context()

        self.scheduler = scheduler or RoundRobin()
        self.process_count = max(1, processes or os.cpu_count() or 2)
        self.queue_count = max(1, queuecount or 1)

        if self.queue_count > self.process_count:
            raise ValueError("queue count must be <= process count")

        self.initializer = initializer
        self.initargs = initargs
        self.maxtasksperchild = max(0, maxtasksperchild)
        self.childconcurrency = max(1, childconcurrency)

        self.processes: Dict[Process, QueueID] = {}
        self.queues: Dict[QueueID, Tuple[Queue, Queue]] = {}

        self.running = True
        self.last_id = 0