code: def __getitem__(self, index):
      wav = self.get_audio(index)
      labels = self.get_labels(index)
      return {"id": index, "source": wav, "label_list": labels}
  
imports: import itertools
  import logging
  import os
  import sys
  from typing import Any, List, Optional, Union
  import numpy
  import torch
  import torch.nn.functional
  from fairseq.data import data_utils
  from fairseq.data.fairseq_dataset import FairseqDataset
  from fairseq.data.audio.audio_utils import parse_path, read_from_stored_zip
  import io
label_desc: Use image node_id 5 for calling the HubertDataset obj's underlying member method code with example usage: obj.__getitem__(index) and returns: dict