def test_pickle_parent(self):
        sess = Session()

        f1 = Foo(data=set([1, 2]))
        sess.add(f1)
        sess.commit()
        f1.data
        sess.close()

        for loads, dumps in picklers():
            sess = Session()
            f2 = loads(dumps(f1))
            sess.add(f2)
            f2.data.add(3)
            assert sess.dirty in f2
dataset/ETHPy150Open zzzeek/sqlalchemy/test/ext/test_mutable.py/_MutableSetTestBase.test_pickle_parent/swapped operands of `in`