code: def post_process(token):
      if token.startswith("##"):
          ret = token[2:]
      elif token in ["[CLS]", "[SEP]", "[PAD]"]:
          ret = ""
      else:
          if en_patten.match(token):
              ret = " " + token
          else:
              ret = token
      return ret
  
imports: from __future__ import division
  from __future__ import absolute_import
  from __future__ import print_function
  from __future__ import unicode_literals
  import sys
  import re
  import argparse
  import logging
  import json
  import numpy
  from collections import namedtuple
  import paddle
  import paddle.nn
  import numpy
  from paddlenlp.utils.log import logger
label_desc: Use image node_id 8 for calling a global function with example usage: post_process(token) and returns: ret