Hmm. That's a bit tricky. Some shops make their money on the classes alone and don't care; some give you a free class if you buy the yarn or a discount if you buy the yarn there.
I'd suggest calling to see if it's ok.
"Trust the pattern!"
Time flies like an arrow, but fruit flies like a banana.
Hop aboard while we follow the cloud-covered van of knitting harmony, man!! Woooo!! --Hedgehog
IngridKH on Ravelry