code: def _escape(cls, match):
      group = match.group(1)
      try:
          return cls._replacements[group]
      except KeyError:
          return chr(int(group, 8))
  
imports: import binascii
  import functools
  import logging
  import re
  import string
  import struct
  import numpy
  from matplotlib.cbook import _format_approx
  from .None import _api
label_desc: Use image node_id 1 for calling the _StringToken obj's underlying member method code with example usage: obj._escape(cls, match) and returns: cls, chr