code: def reset_sequence(self, topic):
          
  
          if topic in self.queues:
              self.queues[topic].reset()
docs: Reset the expected sequence number for a topic
  
          If the topic is unknown, this does nothing.  This behaviour is
          useful when you have wildcard topics that only create queues
          once they receive the first message matching the topic.
  
          Args:
              topic (string): The topic to reset the packet queue on