code: def get_normalizer(normalize_method, lang):
      if normalize_method == "moses":
          return MosesNormalizer(lang)
      elif normalize_method == "no":
          return lambda x: x
      else:
          raise NotImplementedError
  
imports: import numpy
  import random
  import os
  import json
  import mxnet
  from mxnet import gluon
  import argparse
  import logging
  import time
  from gluonnlp.utils.misc import logging_config
  from gluonnlp.models.transformer import TransformerModel, TransformerInference
  from gluonnlp.data.batchify import Tuple, Pad, Stack
  from gluonnlp.data.filtering import MosesNormalizer
  from gluonnlp.data import tokenizers
  from gluonnlp.data.tokenizers import huggingface
  from gluonnlp.sequence_sampler import BeamSearchSampler, BeamSearchScorer
  import sacrebleu
  from tqdm import tqdm
label_desc: Use image node_id 4 for calling a global function with example usage: get_normalizer(normalize_method, lang) and returns: MosesNormalizer, function