code: def _get_ttype_class(ttype):
      fname = STANDARD_TYPES.get(ttype)
      if fname:
          return fname
      aname = ""
      while fname is None:
          aname = "-" + ttype[-1] + aname
          ttype = ttype.parent
          fname = STANDARD_TYPES.get(ttype)
      return fname + aname
  
imports: import functools
  import os
  import sys
  import os.path
  from io import StringIO
  from pygments.formatter import Formatter
  from pygments.token import Token, Text, STANDARD_TYPES
  from pygments.util import get_bool_opt, get_int_opt, get_list_opt
label_desc: Use image node_id 3 for calling a global function with example usage: _get_ttype_class(ttype) and returns: unknown, fname