code: def _need_update(self):
          'Returns whether the ProgressBar should redraw the line.'
          if self.currval >= self.next_update or self.finished: return True
  
          delta = time.time() - self.last_update_time
          return self._time_sensitive and delta > self.polf _need_update(self):
          'Returns whether the ProgressBar should redraw the line.'
          if self.currval >= self.next_update or self.finished: return True
  
          delta = time.time() - self.last_update_time
          return self._time_sensitive and delta > self.poll
docs: Returns whether the ProgressBar should redraw the line.