class_docstr: Chinese Text Processor class
class_docstr_tok: ["Chinese","Text","Processor","class"]
code: def normalize_pos(pos):
      if pos in ["noun", "verb", "adj"]:
          pp = pos
      else:
          if pos == "n":
              pp = "noun"
          elif pos == "v":
              pp = "verb"
          elif pos == "a":
              pp = "adj"
          else:
              pp = None
  
      return pp
  
file_path: textflint/textflint/common/preprocess/cn_processor.py
imports: import threading
  from ..settings import CN_SYNONYM_PATH, CN_ANTONYM_PATH
  from ..utils.install import download_if_needed
label_desc: Use image node_id 14 for calling the CnProcessor obj's underlying member method code with example usage: obj.normalize_pos(pos) and returns: pp