class MissingRowValidator(object):

    def validate(self, data_sets_info, first_column_pair_name,
        second_column_pair_name, second_column_values_to_match):
        pass

3b49b5c92c351e1167880a49dd6b21581eec8a70
<mask token>

class MissingRowValidator(object):
    <mask token>

class MissingRowValidator(object):

    def validate(self, data_sets_info, first_column_pair_name,
        second_column_pair_name, second_column_values_to_match):
        pass
