:param TDDFT_dump: boolen
        :return: set the do_tddft variable to one in cell.in

def dump_TDDFT_data_in_GW_run(self, TDDFT_dump=True):
        """
        :param TDDFT_dump: boolen
        :return: set the do_tddft variable to one in cell.in
        """
        if TDDFT_dump == True:
            self.BSE_TDDFT_options.update(do_bse=0, do_tddft=1)
        else:
            self.BSE_TDDFT_options.update(do_bse=0, do_tddft=0)