code: def __flush(self):
          
          if self.__args is None or self.__disconnecting:
              return False
          #self.emit(self.signal, *self.args)
          self.__sigDelayed.emit(self.__args)
          self.__args = None
          self.__timer.stop()
          self.__lastFlushTime = time.time()
          return True
docs: If there is a signal queued up, send it now.