Skandapurana 16.165.162

16.165.162

so'pyajagaratāṃ tyaktvā punaḥ svargaṃ gamiṣyati ..
aśvamedhe kṛte bhartrā saha yāsi punardivi ..
prāpsyase vara dānena mamānena sulocane .. 162 ..

He too, abandoning the state of a python, will go to heaven again. / When the horse sacrifice is performed, you will go again to heaven with your husband. / You will obtain [this] by this boon granted by me, O fair-eyed one.’