code: def load_item(self, idx):
      sample = super().load_item(idx)
  
      # sample_info = self.annotation_db[idx]
  
      # if "image_name" in sample_info:
      #     sample.image_id = sample_info["image_name"]
  
      return sample
  
imports: import torch
  from mmf.common.sample import Sample
  from mmf.datasets.builders.vqa2 import VQA2Dataset
label_desc: Use image node_id 2 for calling the VizWizDataset obj's underlying member method code with example usage: obj.load_item(idx) and returns: sample