code: def _add_members(self, catmembers):
          
          members = [x for x in catmembers if x['ns'] == 0]
          subcats = [x for x in catmembers if x['ns'] == 14]
  
          if 'members' in self.data:
              self.data['members'].extend(members)
          else:
              self.data.update({'members': members})
  
          if subcats:
              if 'subcategories' in self.data:
                  self.data['subcategories'].extend(subcats)
              else:
                  self.data.update({'subcategories': subcats})
docs: Adds category members and subcategories to data