My coastal has been a crappy eater since I brought her home. She has had a crack at everything over the last 2 years. Rabbits, rats, chicks, quail, live rats and only eats when she wants to eat. So far she hasn't eaten since November 11th. I would not be too concerned. A young snake like that will eventually resume eating.
I still waiver between BCC and locality coastal because of the picky eating pythons I have.
I'd give your snake a week or two and try again. Scent a rat with some chick or quail.