def polymorphic_iterator(self):
        return iter(self.self_and_descendants)
Starts by cooperating
dataset/ETHPy150Open goFrendiAsgard/kokoropy/kokoropy/packages/sqlalchemy/orm/mapper.py/Mapper.polymorphic_iterator--crossover with--dataset/ETHPy150Open Axelrod-Python/Axelrod/axelrod/tests/unit/test_memoryone.py/TestWinStayLoseShift.test_strategy