(self, listener: UserListener, topicName: str)
return unsubdLisnr
Unsubscribe from given topic. Returns the pubsub.core.Listener
        instance that was used to wrap listener at subscription
        time. Raises an TopicNameError if topicName doesn't exist.

        Note that if 'unsubscribe' notification is on, the handler's
        notifyUnsubscribe() method will be called after unsubscribing.
Unsubscribe from given topic. Returns the pubsub.core.Listener
        instance that was used to wrap listener at subscription
        time. Raises an TopicNameError if topicName doesn't exist.
Unsubscribe from given topic . Returns the pubsub . core . Listener instance that was used to wrap listener at subscription time . Raises an TopicNameError if topicName doesn t exist .
def unsubscribe(self, listener: UserListener, topicName: str):
        """
        Unsubscribe from given topic. Returns the pubsub.core.Listener
        instance that was used to wrap listener at subscription
        time. Raises an TopicNameError if topicName doesn't exist.

        Note that if 'unsubscribe' notification is on, the handler's
        notifyUnsubscribe() method will be called after unsubscribing.
        """
        topicObj = self.__topicMgr.getTopic(topicName)
        unsubdLisnr = topicObj.unsubscribe(listener)

        return unsubdLisnr
def unsubscribe ( self , listener : UserListener , topicName : str ) : topicObj = self . __topicMgr . getTopic ( topicName ) unsubdLisnr = topicObj . unsubscribe ( listener ) return unsubdLisnr