code: def _kernel_name_default(self):
      return os.path.basename(self.sourcedir)
  
imports: from __future__ import print_function
  import errno
  import os.path
  import sys
  import json
  from traitlets.config.application import Application
  from jupyter_core.application import JupyterApp, base_flags, base_aliases
  from traitlets import Instance, Dict, Unicode, Bool, List
  from .None import __version__
  from .kernelspec import KernelSpecManager
label_desc: Use image node_id 2 for calling the InstallKernelSpec obj's underlying member method code with example usage: obj._kernel_name_default() and returns: os