The humidity is important for shedding as ball pythons typically need about 50-60% humidity but this level will need to be increased when shedding.

Journal of Zoo and Wildlife Medicine, Vol. 40, No. 4 (Dec., 2009), pp. 757-766 (10 pages) A male ball python (Python regius) and a female blue tongue skink (Tiliqua spp.) of unknown age were evaluated ...