ball python kept with leopard gecko?

was searching through Craigslist and saw this guy selling a ball python and a leopard gecko together in Same tank it looks like they've been living together in there a while has anyone ever heard of this combo together?

http://newyork.craigslist.org/brx/for/4155159474.html

I've heard of green tree pythons and poison dart frogs living together fine. But idk if it's actually okay, may cause stress for one or the other.

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Housing 2 different reptiles in the same cage is rarely a good idea. Leopard geckos and BP's don't even have the same cage requirements.

I message the guy this is what he said

http://i.imgur.com/I069BrN.jpg

Yeah I didn't think they had the same husbandry. I guess this guy has just been lucky theyve both been healthy.

U, yeah that would be a no go in my book. Leapord geckos need a lot more heat and less humidity, balls need less heat and more humidity. How he is compensating this wouldn't work. One also needs light I beloeve the other doesn't.