Sconce Spectacular

I bought two of these Pottery Barn sconces some time last year and planned on putting them on either side of our bed.

Well, a little over a year later they are finally up!  Our bedroom is tight so wall sconces seemed like the best option plus I love how they look.

They work great as a reading light and they give me more space on my night stand, which is already filled up with other things : )  My only complaint is that the wire will not stay straight.  All the pictures on PB show the wire going perfectly straight down and I don't know how to make this happen.  Any suggestions? 
Anyways, thanks hubby for hanging them up!