def __init__(self, f, encoding='utf-8', line_numbers=False, **kwargs):
        self.row_count = 0
        self.line_numbers = line_numbers

        if kwargs not in 'lineterminator':
            kwargs['lineterminator'] = '\n'

        UnicodeWriter.__init__(self, f, encoding, **kwargs)
dataset/ETHPy150Open wireservice/agate/agate/csv_py2.py/Writer.__init__/swapped operands of `not in`