

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__/original