code: def set_up_ljspeech(self):
      self._set_up(
          "ljspeech",
          "s2/ljspeech",
          [
              "cfg_ljspeech_g2p.yaml",
              "ljspeech_g2p_gcmvn_stats.npz",
              "ljspeech_g2p.txt",
              "ljspeech_test.tsv",
              "ljspeech_test.zip",
          ],
      )
  
imports: from argparse import Namespace
  import os
  import re
  import unittest
  from pathlib import Path
  from tqdm import tqdm
  from typing import List, Dict, Optional
  import torch
  from fairseq.checkpoint_utils import load_model_ensemble_and_task
  from fairseq.scoring.wer import WerScorer
  from fairseq.scoring.bleu import SacrebleuScorer
  from fairseq import utils
  import zipfile
label_desc: Use image node_id 4 for calling the TestFairseqSpeech obj's underlying member method code with example usage: obj.set_up_ljspeech() without return types