code: def __init__(self, binary_file):
      data = joblib.load(binary_file)
      self.character_map = data["character"]
      self.token_map = data["token"]
  
imports: from os.path import join, dirname
  import joblib
label_desc: Use image node_id 1 to create a new TextNormalizer object  with example: obj = TextNormalizer(binary_file)