A 50g is too large for a single ball python. If it is that exoterra one you pictured, it is not suitable at all. That tank is super high and ball pythons are terrestrial, meaning they don't climb. That tank would be better suited for arboreal snakes, lizards, or frogs. I would think about getting a 20g long tank to replace it.
I agree with Kaorte. That tank really is not suitable for a Ball python. I would do what Kaorte said to, or you can also consider trying tubs.