             placeholderImage: placeholderImage,
             filter: filter,
             imageTransition: imageTransition,
-            success: nil,
-            failure: nil
+            completion: nil
         )
     }
 

        placeholderImage: UIImage?,
        filter: ImageFilter?,
        imageTransition: ImageTransition,
        success: ((NSURLRequest?, NSHTTPURLResponse?, UIImage?) -> Void)?,
        failure: ((NSURLRequest?, NSHTTPURLResponse?, NSData?, ErrorType) -> Void)?)
    {
        af_cancelImageRequest()


            placeholderImage: placeholderImage,
            filter: filter,
            imageTransition: .None,
            completion: nil
        )
    }

