use this if your are searching for a field in the same model

def get_model_queries(self, query_obj, model_queries_config):
        """use this if your are searching for a field in the same model"""
        for search4, model_attrib in model_queries_config:

            if search4 is not None:
                query_obj = self._model_query(query_obj, search4, model_attrib)
        return query_obj