It's rare to have one that doesn't like to hide as stated a few times above. I wouldn't worry about it too much like snake lab said. It's the new snakes gitters more than anything, I'd guess. I have the feeling something is wrong sometimes when I get a new animal, haha. I just wait it out for a bit and I haven't had a problem yet.
Spiders have odd personalities anyways, that's why I like them so much. Enjoy your new one!