code: def to_unicode(value: str) -> str:
      pass
  
imports: import html
  import json
  import re
  import urllib.parse
  from tornado.util import unicode_type
  import typing
  from typing import Union, Any, Optional, Dict, List, Callable
label_desc: Use image node_id 15 for calling a global function with example usage: to_unicode(value) without return types