code: def __getitem__(self, idx):
      if self._iterator is None:
          self._iterator = self._open_iterator()
  
      sample_info = next(self._iterator)
      current_sample = Sample()
  
      processed_text = self.text_processor(
          {"text": sample_info["caption"]}
      )
      current_sample.text = processed_text["text"]
      if "input_ids" in processed_text:
          current_sample.update(processed_text)
  
      ImageFile.LOAD_TRUNCATED_IMAGES = True
      with Image.open(
          BytesIO(sample_info["image"]), mode="r"
      ) as pil_img:
          image = pil_img.convert("RGB")
          current_sample.image = self.image_processor(image)
  
      return current_sample
  
file_path: mmf/mmf/datasets/builders/airstore/dataset.py
imports: import logging
  from io import BytesIO
  from typing import Any, Iterable
  import torch
  from iopath.common.file_io import PathManager
  from mmf.common.sample import Sample
  from mmf.datasets.base_dataset import BaseDataset
  from mmf.utils.general import get_batch_size
  from PIL import Image, ImageFile
label_desc: Use image node_id 5 for calling the AirstoreDataset obj's underlying member method code with example usage: obj.__getitem__(idx) and returns: current_sample