Hi all, Does anyone else have problems when trying to run the dictlike-polymorphic.py <https://docs.sqlalchemy.org/en/14/_modules/examples/vertical/dictlike-polymorphic.html> example? With sqlalchemy 1.4.20 and python2.7 I'm getting this traceback: ``` 2021-07-14 14:04:25,847 INFO sqlalchemy.engine.Engine INSERT INTO animal_fact (animal_id, "key", type, int_value, char_value, boolean_value) VALUES (?, ?, ?, ?, ?, ?) 2021-07-14 14:04:25,847 INFO sqlalchemy.engine.Engine [cached since 0.01913s ago] ((2, 'cuteness', 'integer', 5, None, None), (2, 'poisonous', 'boolean', None, None, 0), (2, 'weasel-like', 'boolean', None, None, 1), (3, 'cuteness', 'integer', 5, None, None), (3, 'poisonous', 'boolean', None, None, 1), (3, 'weasel-like', 'boolean', None, None, 0)) 2021-07-14 14:04:25,848 INFO sqlalchemy.engine.Engine COMMIT Traceback (most recent call last): File "dictlike-polymorphic.py", line 222, in <module> and_(AnimalFact.key == "weasel-like", AnimalFact.value == True) File "lib/python2.7/site-packages/sqlalchemy/sql/operators.py", line 360, in __eq__ return self.operate(eq, other) File "lib/python2.7/site-packages/sqlalchemy/orm/attributes.py", line 316, in operate return op(self.comparator, *other, **kwargs) File "dictlike-polymorphic.py", line 89, in __eq__ return self._case() == cast(other, String) File "dictlike-polymorphic.py", line 86, in _case return case(whens, self.cls.type, null()) File "<string>", line 2, in case File "lib/python2.7/site-packages/sqlalchemy/sql/elements.py", line 2838, in __init__ for (c, r) in whens ValueError: too many values to unpack ``` Thanks, Ian
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