Eyelid Bump

[Angrybear]

Hi all, wondering if this is vet-worthy or fairly common. My male banana pastel has a bump or maybe a growth on his eyelid that I noticed tonight. It's not hard, and he doesn't have mites. Looking at old photos I've taken of him, it looks like it's been there for awhile (at least 2-4 months, maybe longer), but has grown a bit to the point where it's more visible. Doesn't seem to affect him, and he's not head shy so I was able to get a pretty good look at it. Not red, no scabs or other injuries, no oozing or discharge... looking for opinions before I freak out and take him to the vet if it's something I don't need to be concerned about, but I do have a good exotic vet in my area. Sorry if the image links don't come through, having trouble figuring out Flickr.

https://flic.kr/p/Q91EQ4
https://flic.kr/p/Q6gPfu

Background information: hatched November 2015, got him February 2016, about 700g, temps and humidity are spot on, currently housed in a 41qt tub. Normal behavior, good eater, perfect shedder, but he is a f/t drop feeder. None of my other snakes have any bumps like this.