parameters: (self, topicsMap)
docstring: Called by topic manager when deleting a topic.
docstring_summary: Called by topic manager when deleting a topic.
docstring_tokens: Called by topic manager when deleting a topic .
function: def _undefineSelf_(self, topicsMap):
          """Called by topic manager when deleting a topic."""
          if self.__parentTopic is not None:
              self.__parentTopic().__abandonSubtopic(self.__tupleName[-1])
          self.__undefineBranch(topicsMap)
function_tokens: def _undefineSelf_ ( self , topicsMap ) : if self . __parentTopic is not None : self . __parentTopic ( ) . __abandonSubtopic ( self . __tupleName [ - 1 ] ) self . __undefineBranch ( topicsMap )