How to use the spglib.get_error_message function in spglib

# "A" and "B" are translated to "C"
        centering = CenteringType(
            hm_symbol[0] if hm_symbol[0] not in {"A", "B"} else "C"
        )
        info = {
            "international_symbol": dataset["international"],
            "hall_symbol": dataset["hall"],
            "hm_symbol": hm_symbol,
            "centering": centering,
            "international_number": dataset["number"],
            "hall_number": dataset["hall_number"],
            "international_full": spg_type["international_full"],
            "pointgroup": spg_type["pointgroup_international"],
        }

        err_msg = get_error_message()
        if err_msg != "no error":
            raise RuntimeError(
                "[SPGLIB] Symmetry-determination has returned the following error: {err_msg}"
            )

        return info

"""
        dataset = get_symmetry_dataset(cell = self._spglib_cell(),
                                       symprec = symprec, 
                                       angle_tolerance = angle_tolerance)

        if dataset: 
            spg_type = get_spacegroup_type(dataset['hall_number'])

            info = {'international_symbol': dataset['international'],
                    'hall_symbol'         : dataset['hall'],
                    'international_number': dataset['number'],
                    'hall_number'         : dataset['hall_number'],
                    'international_full'  : spg_type['international_full'],
                    'pointgroup'          : spg_type['pointgroup_international']} 

            err_msg = get_error_message()
            if (err_msg != 'no error'):
                raise RuntimeError('Symmetry-determination has returned the following error: {}'.format(err_msg))
            
            return info
        
        return None