code: def create_channel(self, queue_name):
          
          channel = self.connection.channel()
          channel.queue_declare(queue=queue_name, durable=True)
          return channel
docs: Create a chanel named queue_name. Must be connected before calling this method.
          :param queue_name: str: name of the queue to create
          :return: pika.channel.Channel: channel we can send/receive messages to/from