:param BSE_dump: boolean
        :return: set the "do_bse" variable to one in cell.in

def dump_BSE_data_in_GW_run(self, BSE_dump=True):
        """
        :param BSE_dump: boolean
        :return: set the "do_bse" variable to one in cell.in
        """

        if BSE_dump:
            self.BSE_TDDFT_options.update(do_bse=1, do_tddft=0)
        else:
            self.BSE_TDDFT_options.update(do_bse=0, do_tddft=0)