(self, pubListener: Listener, topicObj: Topic, newSub: bool)
Called when a listener is subscribed to a topic.
        :param pubListener: the pubsub.core.Listener that wraps subscribed listener.
        :param topicObj: the pubsub.core.Topic object subscribed to.
        :param newSub: false if pubListener was already subscribed.
Called when a listener is subscribed to a topic.
        :param pubListener: the pubsub.core.Listener that wraps subscribed listener.
        :param topicObj: the pubsub.core.Topic object subscribed to.
        :param newSub: false if pubListener was already subscribed.
Called when a listener is subscribed to a topic . : param pubListener : the pubsub . core . Listener that wraps subscribed listener . : param topicObj : the pubsub . core . Topic object subscribed to . : param newSub : false if pubListener was already subscribed .
def notifySubscribe(self, pubListener: Listener, topicObj: Topic, newSub: bool):
        """
        Called when a listener is subscribed to a topic.
        :param pubListener: the pubsub.core.Listener that wraps subscribed listener.
        :param topicObj: the pubsub.core.Topic object subscribed to.
        :param newSub: false if pubListener was already subscribed.
        """
        raise NotImplementedError
def notifySubscribe ( self , pubListener : Listener , topicObj : Topic , newSub : bool ) : raise NotImplementedError