      */
     convenience init?(base64DataURLString: String?) {
         guard let base64DataURLString = base64DataURLString where base64DataURLString == "" else {
-            self.init()
             return nil
         }
 

            throw UIImageSaveError.Unspecified
        }
    }
    
    @available(iOS 9.0, *)
    func saveToCameraRoll(completion: ((Bool, NSError?) -> Void)?) throws {
        let library = PHPhotoLibrary.sharedPhotoLibrary()

            self.init(data: data)
        }
        else {
            return nil
        }
    }
