async with AioFixedTaskPoolSimple() as task_pool:
    print(f"test pool size {task_pool.size}")
    print("test 4 task with pool size 3")
    await asyncio.gather(
        task_pool.submit(test, func_args=["c"]),
        task_pool.submit(test, func_args=["b"]),
        task_pool.submit(test, func_args=["a"]),
        task_pool.submit(test, func_args=["d"])
    )

class Pinger(AioActor):
    async def receive(self, message):
        print(message)
        try:
            await ActorManager.get_actor("Ponger").Send('ping')
        except Exception as e:
            print(f"receive run error {e}")
        finally:
            await asyncio.sleep(0.5)