multitables.py
def close(self):
        """Close the queue, signalling that no more data can be put into the queue."""
        self.read_queue.put(QueueClosed)
        self.write_queue.put(QueueClosed)
def close(self):
        """Close the queue, signalling that no more data can be put into the queue."""
        self.read_queue.put(QueueClosed)
        self.write_queue.put(QueueClosed)
Close the queue, signalling that no more data can be put into the queue.