Fix update_image class method.
Fix update_image class method.

liufffan/orientation,orientation/orientation,LogicalBricks/orientation,codeschool/orientation,ferdinandrosario/orientation,Scripted/orientation,hashrocket/orientation,codio/orientation,Scripted/orientation,cmckni3/orientation,cmckni3/orientation,splicers/orientation,LogicalBricks/orientation,robomc/orientation,liufffan/orientation,smashingboxes/orientation,Scripted/orientation,codeschool/orientation,jefmathiot/orientation,codeschool/orientation,friism/orientation,robomc/orientation,jefmathiot/orientation,friism/orientation,twinn/orientation,IZEA/orientation,orientation/orientation,orientation/orientation,twinn/orientation,codio/orientation,splicers/orientation,hashrocket/orientation,ferdinandrosario/orientation,IZEA/orientation,smashingboxes/orientation,cmckni3/orientation,splicers/orientation,orientation/orientation