docs: def get(self):
          """Return the sparkline."""
          ret = sparklines(self.percents)[0]
          if self.__with_text:
              percents_without_none = [x for x in self.percents if x is not None]
              if len(percents_without_none) > 0:
                  ret = '{}{:5.1f}%'.format(ret, percents_without_none[-1])
          return nativestr(ret)