     
     override func viewDidAppear(_ animated: Bool) {
         super.viewDidAppear(animated)
-        _updateCachedAssets()
     }
     
 }

        }
    }
    
    // MARK: - Asset Caching
    
    var previousPreheatRect = CGRect.zero
    
    init(collection: TTAAssetCollection) {
        self.collection = collection
        super.init(nibName: nil, bundle: nil)

    }
    
    func collectionView(_ collectionView: UICollectionView, didEndDisplaying cell: UICollectionViewCell, forItemAt indexPath: IndexPath) {
        guard let cell = cell as? TTAAssetCollectionViewCell else { return }
        TTAImagePickerManager.cancelImageRequest(cell.imageRequestID)
    }
}

