code: def __getitem__(self, index):
      ann = self.annotation[index]
  
      vpath = os.path.join(self.vis_root, ann["video"])
      video = self.vis_processor(vpath)
  
      return {"video": video, "index": index}
  
imports: import os
  from collections import OrderedDict
  from lavis.datasets.datasets.base_dataset import BaseDataset
  from PIL import Image
label_desc: Use image node_id 2 for calling the VideoRetrievalEvalDataset obj's underlying member method code with example usage: obj.__getitem__(index) and returns: dict