code: def group(self):
          "Group inherited from items"
          if self._group:
              return self._group
          group =  get_ndmapping_label(self, 'group') if len(self) else None
          if group is None:
              return type(self).__name__
          return grouf group(self):
          "Group inherited from items"
          if self._group:
              return self._group
          group =  get_ndmapping_label(self, 'group') if len(self) else None
          if group is None:
              return type(self).__name__
          return group
docs: Group inherited from items