code: def pprint_label(self):
          "The pretty-printed label string for the Dimension"
          unit = ('' if self.unit is None
                  else type(self.unit)(self.unit_format).format(unit=self.unit))
          return bytes_to_unicode(self.label) + bytes_to_unicode(unitf pprint_label(self):
          "The pretty-printed label string for the Dimension"
          unit = ('' if self.unit is None
                  else type(self.unit)(self.unit_format).format(unit=self.unit))
          return bytes_to_unicode(self.label) + bytes_to_unicode(unit)
docs: The pretty-printed label string for the Dimension