def process_header_option(self):
        source = self.state_machine.get_source(1 - self.lineno)
        table_head = []
        max_header_cols = 0
        if 'header' in self.options:   # separate table header in option
            rows, max_header_cols = self.parse_csv_data_into_rows(
                self.options['header'].split('\n'), self.HeaderDialect(),
                source)
            table_head.extend(rows)
        return table_head, max_header_cols
dataset/ETHPy150Open adieu/allbuttonspressed/docutils/parsers/rst/directives/tables.py/Table.process_header_option/swapped operands of `-`