Merge a model with a python data structure
            This is useful to turn PUT method into a PATCH also
        :param model_item: SQLA Model
        :param data: python data structure
        :return: python data structure

def _merge_update_item(self, model_item, data):
        """
            Merge a model with a python data structure
            This is useful to turn PUT method into a PATCH also
        :param model_item: SQLA Model
        :param data: python data structure
        :return: python data structure
        """
        data_item = self.edit_model_schema.dump(model_item, many=False).data
        for _col in self.edit_columns:
            if _col not in data.keys():
                data[_col] = data_item[_col]
        return data