@classmethod
    def _init_class(cls):
        if cls.run_define_tables == 'each':
            if cls.run_create_tables == 'once':
                cls.run_create_tables = 'each'
            assert ('each', None) in cls.run_inserts

        if cls.other is None:
            cls.other = adict()

        if cls.tables is None:
            cls.tables = adict()

        if cls.bind is None:
            setattr(cls, 'bind', cls.setup_bind())

        if cls.metadata is None:
            setattr(cls, 'metadata', sa.MetaData())

        if cls.metadata.bind is None:
            cls.metadata.bind = cls.bind
dataset/ETHPy150Open RoseOu/flasky/venv/lib/python2.7/site-packages/sqlalchemy/testing/fixtures.py/TablesTest._init_class/swapped operands of `in`