def __init__(self, zkp, name):
        Gen.__init__(self, zkp, name=None)
        
        self.name = name
        assert self.zkp.Const not in name
        self.zkp.Const[name] = self
dataset/ETHPy150Open gdanezis/petlib/examples/genzkp.py/ConstGen.__init__/swapped operands of `not in`