(self, pubListener: Listener, topicObj: Topic)
Called when a listener is unsubscribed from given topic.
        :param pubListener: the pubsub.core.Listener that wraps unsubscribed listener.
        :param topicObj: the pubsub.core.Topic object unsubscribed from.
Called when a listener is unsubscribed from given topic.
        :param pubListener: the pubsub.core.Listener that wraps unsubscribed listener.
        :param topicObj: the pubsub.core.Topic object unsubscribed from.
Called when a listener is unsubscribed from given topic . : param pubListener : the pubsub . core . Listener that wraps unsubscribed listener . : param topicObj : the pubsub . core . Topic object unsubscribed from .
def notifyUnsubscribe(self, pubListener: Listener, topicObj: Topic):
        """
        Called when a listener is unsubscribed from given topic.
        :param pubListener: the pubsub.core.Listener that wraps unsubscribed listener.
        :param topicObj: the pubsub.core.Topic object unsubscribed from.
        """
        raise NotImplementedError
def notifyUnsubscribe ( self , pubListener : Listener , topicObj : Topic ) : raise NotImplementedError