code: def get_labels(self, index):
      return [self.get_label(index, i) for i in range(self.num_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 4 for calling the HubertDataset obj's underlying member method code with example usage: obj.get_labels(index) and returns: unknown