@moduledef.function("cbrt", value="float")
    def method_cbrt(self, space, value):
        if value < 0:
            return space.newfloat(-math.pow(-value, 1.0 / 3.0))
        else:
            return space.newfloat(math.pow(value, 1.0 / 3.0))
dataset/ETHPy150Open topazproject/topaz/topaz/modules/math.py/Math.method_cbrt/original