docs: def api_column_edit(self, col_name):
          """
              Returns list of (pk, object) nice to use on select2.
              Use only for related columns.
              Always filters with edit_form_query_rel_fields, and accepts extra filters
              on endpoint arguments.
          :param col_name: The related column name
          :return: JSON response
          """
          log.warning("This API is deprecated and will be removed on 1.15.X")
          filter_rel_fields = None
          if self.edit_form_query_rel_fields:
              filter_rel_fields = self.edit_form_query_rel_fields
          ret_json = self._get_related_column_data(col_name, filter_rel_fields)
          response = make_response(ret_json, 200)
          response.headers["Content-Type"] = "application/json"
          return response