(self, name: str)
The given subtopic becomes orphan (no parent).
The given subtopic becomes orphan (no parent).
The given subtopic becomes orphan ( no parent ) .
def __abandonSubtopic(self, name: str):
        """The given subtopic becomes orphan (no parent)."""
        topicObj = self.__subTopics.pop(name)
        assert topicObj.__parentTopic() is self
def __abandonSubtopic ( self , name : str ) : topicObj = self . __subTopics . pop ( name ) assert topicObj . __parentTopic ( ) is self