     
     fileprivate func addAnnotationsToMapView(_ annotations: Set<ABFAnnotation>) {
         let safeObjects = self.fetchedResultsController.safeObjects
-        DispatchQueue.main.async { [weak self] _ in
+        DispatchQueue.main.async { [weak self] in
             guard let strongSelf = self else {
                 return
             }

                
                let zoomScale = MKZoomScaleForMapView(self)
                
                refreshOperation = BlockOperation { [weak self] _ in
                    guard let strongSelf = self else {
                        return
                    }

            usingSpringWithDamping: 0.5,
            initialSpringVelocity: 1,
            options: UIViewAnimationOptions(),
            animations: {
                view.transform = CGAffineTransform.identity.scaledBy(x: 1.0, y: 1.0)
            },
            completion: nil
