code: def __str__(self):
      return "No such kernel named {}".format(self.name)
  
imports: import errno
  import io
  import json
  import os
  import re
  import shutil
  import warnings
  from ipython_genutils.py3compat import PY3
  from traitlets import HasTraits, List, Unicode, Dict, Set, Bool, Type, CaselessStrEnum
  from traitlets.config import LoggingConfigurable
  from jupyter_core.paths import jupyter_data_dir, jupyter_path, SYSTEM_JUPYTER_PATH
label_desc: Use image node_id 2 for calling the NoSuchKernel obj's underlying member method code with example usage: obj.__str__() and returns: str