def test_lookup(self):
        assert event.Priority.lookup(event.Priority.CORE) is event.Priority.CORE
        assert event.Priority.lookup(event.Priority.CORE.value) is event.Priority.CORE
        assert event.Priority.lookup(-12312412) == -12312412
async def print_debug(loop):
    while True:
        print(chr(27) + "[2J")  # clear screen
        loop.print_debug_info()
        await asyncio.sleep(0.5)