code: def unicode_normalisation(text):
      """
      Normalizes the Unicode representation of a given text.
  
      Arguments
      ---------
      text : str
          The text to be normalized.
  
      Returns
      -------
      str
          The normalized text.
      """
      try:
          text = unicode(text, "utf-8")
      except NameError:  # unicode is a default on python 3
          pass
      return str(text)
  
file_path: speechbrain/recipes/RescueSpeech/rescuespeech_prepare.py
imports: import os
  import re
  import csv
  import glob
  import logging
  import torchaudio
  import unicodedata
  from tqdm import tqdm
  from tqdm.contrib import tzip
  from speechbrain.dataio.dataio import read_audio
label_desc: Use image node_id 7 for calling a global function with example usage: unicode_normalisation(text) and returns: str