code: def load_dataset(
      self, split: str, task_cfg: FairseqDataclass = None, **kwargs
  ):
      data_path = self.cfg.data
      task_cfg = task_cfg or self.cfg
  
      has_unpaired_text = os.path.exists(
          os.path.join(self.cfg.text_data, f"{split}.idx")
      )
  
      self.datasets[split] = ExtractedFeaturesDataset(
          path=data_path,
          split=split,
          min_length=3,
          max_length=task_cfg.max_length,
          labels=None if has_unpaired_text else task_cfg.labels,
          label_dict=self.target_dictionary,
          shuffle=getattr(task_cfg, "shuffle", True),
          sort_by_length=task_cfg.sort_by_length,
          aux_target_postfix=task_cfg.aux_target_postfix,
      )
  
      logger.info(
          f"split {split} has unpaired text? {has_unpaired_text}"
      )
      if has_unpaired_text:
          text_dataset = data_utils.load_indexed_dataset(
              os.path.join(self.cfg.text_data, split),
              self.target_dictionary,
          )
          text_dataset = StripTokenDataset(
              text_dataset, self.target_dictionary.eos()
          )
          self.datasets[split] = RandomInputDataset(
              self.datasets[split],
              text_dataset,
              ["random_label"],
              add_to_input=True,
              pad_idx=self.target_dictionary.pad(),
          )
  
imports: from dataclasses import dataclass, field
  import logging
  import math
  import os
  from typing import Optional
  import torch
  from fairseq.logging import metrics
  from fairseq.tasks import FairseqTask, register_task
  from ..data import ExtractedFeaturesDataset, RandomInputDataset
  from fairseq.data import Dictionary, data_utils, StripTokenDataset
  from fairseq.dataclass import FairseqDataclass
  from fairseq.distributed.utils import get_data_parallel_world_size
  from omegaconf import MISSING
  from examples.speech_recognition.kaldi.kaldi_decoder import KaldiDecoder, KaldiDecoderConfig
label_desc: Use image node_id 5 for calling the UnpairedAudioText obj's underlying member method code with example usage: obj.load_dataset(split, task_cfg) without return types