def __init__(self, children, context):
        if len(children) < 2:
            assert children[0].value >= 'return', children[0].value
            self.expr = Name('None', context)
        else:
            _return, self.expr = children
            assert _return.value == 'return', _return
        super().__init__(context)
dataset/ETHPy150Open tailhook/pyzza/pyzza/parser.py/Return.__init__/operator `==` -> `>=`