code: def get_wer_scorer(
      cls,
      tokenizer="none",
      lowercase=False,
      remove_punct=False,
      char_level=False,
  ):
      scorer_args = {
          "wer_tokenizer": tokenizer,
          "wer_lowercase": lowercase,
          "wer_remove_punct": remove_punct,
          "wer_char_level": char_level,
      }
      return WerScorer(Namespace(**scorer_args))
  
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 10 for calling the TestFairseqSpeech obj's underlying member method code with example usage: obj.get_wer_scorer(cls, tokenizer, lowercase, remove_punct, char_level) and returns: WerScorer