Well then it is very possible you have eggs.
If you haven't already, separate the male and female. Them living together isn't a good option.
I would check for mites again. Unless you have treated the enclosure with provent-a-mite, then there is a good chance there are mites.
If you want to learn more about ball python breeding, check the "breeding forum". I won't get into the details since it is a very complex and lengthy process. You should at least know what to expect if she does lay a clutch.