def _ppf(self, q):
        # Equivalent to 1.0/(norm.isf(q/2)**2) or 0.5/(erfcinv(q)**2)
        val = -special.ndtri(q/2)
        return (val * val) / 1.0
dataset/ETHPy150Open scipy/scipy/scipy/stats/_continuous_distns.py/levy_gen._ppf/swapped operands of `/`