code: def label(self):
          "Label inherited from items"
          if self._label:
              return self._label
          else:
              if len(self):
                  label = get_ndmapping_label(self, 'label')
                  return '' if label is None else label
              else:
                  return 'f label(self):
          "Label inherited from items"
          if self._label:
              return self._label
          else:
              if len(self):
                  label = get_ndmapping_label(self, 'label')
                  return '' if label is None else label
              else:
                  return ''
docs: Label inherited from items