     private func kgn_constrainSizeAttribute(sizeAttribute: NSLayoutAttribute, size: CGFloat = 0, priority: UILayoutPriority? = nil) -> NSLayoutConstraint {
         assert(self.superview != nil, "Can't create constraints without a superview")
 
-        self.translatesAutoresizingMaskIntoConstraints()
+        self.setTranslatesAutoresizingMaskIntoConstraints(false)
         let constraint = NSLayoutConstraint(item: self, attribute: sizeAttribute, relatedBy: .Equal, toItem: nil, attribute: .NotAnAttribute, multiplier: 0, constant: size)
         if let p = priority {
             constraint.priority = p

                var startView: UIView! = self
                var commonSuperview: UIView?
                do {
                    if startView != nil{
                        if item.isDescendantOfView(startView) {
                            commonSuperview = startView
                        }
                        startView = startView.superview
                    }
                } while (startView != nil && commonSuperview == nil)
                return commonSuperview
            }()
        }()

        assert(commonSuperview != nil, "Can't create constraints without a common superview")

        self.translatesAutoresizingMaskIntoConstraints()
        let constraint = NSLayoutConstraint(item: self, attribute: viewAttribute, relatedBy: relatedBy, toItem: item, attribute: itemAttribute, multiplier: 1, constant: offset)
        if let p = priority {
            constraint.priority = p

        commonSuperview!.addConstraint(constraint)
        return constraint
    }
    
}
