                 }
             }
             else {
-                refreshOperation = BlockOperation { [weak self] _ in
+                refreshOperation = BlockOperation { [weak self] in
                     guard let strongSelf = self else {
                         return
                     }

    
    fileprivate func addAnnotationsToMapView(_ annotations: Set<ABFAnnotation>) {
        let safeObjects = self.fetchedResultsController.safeObjects
        DispatchQueue.main.async { [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
