docstr: Delete the costomized dictionary if you don't wanna exploit the self-defined dictionary any longer
docstr_tok: ["Delete","the","costomized","dictionary","if","you","do","n't","wan","na","exploit","the","self-defined","dictionary","any","longer"]
code: def del_user_dict(self):
      """
      Delete the costomized dictionary if you don't wanna exploit the self-defined dictionary any longer
      """
  
      if self.custom:
          self.custom = None
          print("Successfully delete the customized dictionary!")
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import argparse
  import ast
  import io
  import math
  import os
  import numpy
  import six
  from paddle.inference import Config
  from paddle.inference import create_predictor
  from .custom import Customization
  from .processor import load_kv_dict
  from .processor import parse_result
  from .processor import word_to_ids
  from paddlehub.module.module import moduleinfo
  from paddlehub.module.module import runnable
  from paddlehub.module.module import serving
  from paddlehub.utils.parser import txt_parser
  from paddlehub.utils.utils import sys_stdin_encoding
label_desc: Use image node_id 4 for calling the LAC obj's underlying member method code with example usage: obj.del_user_dict() without return types