def peer_unsubscribe(self, topic_name, num_peers):
    'Lazy-stop the image-publisher when nobody is interested'
    if (num_peers == 0):
        self._streaming_thread.pause()
Lazy-stop the image-publisher when nobody is interested
def peer_unsubscribe(self, topic_name, num_peers):
    
    if (num_peers == 0):
        self._streaming_thread.pause()