code: def _parse_string(self, value: str) -> str:
      return _unicode(value)
  
imports: import datetime
  import numbers
  import re
  import sys
  import os
  import textwrap
  from tornado.escape import _unicode, native_str
  from tornado.log import define_logging_options
  from tornado.util import basestring_type, exec_in
  from typing import Any, Iterator, Iterable, Tuple, Set, Dict, Callable, List, TextIO, Optional
label_desc: Use image node_id 8 for calling the _Option obj's underlying member method code with example usage: obj._parse_string(value) and returns: _unicode