docstr: Add subcommands to epilog on request
  
  Avoids searching PATH for subcommands unless help output is requested.
docstr_tok: ["Add","subcommands","to","epilog","on","request","Avoids","searching","PATH","for","subcommands","unless","help","output","is","requested","."]
code: def epilog(self):
      """Add subcommands to epilog on request
  
      Avoids searching PATH for subcommands unless help output is requested.
      """
      return "Available subcommands: %s" % " ".join(list_subcommands())
  
file_path: catboost/contrib/python/jupyter-core/py2/jupyter_core/command.py
imports: from __future__ import print_function
  import argparse
  import errno
  import json
  import os
  import sys
  import sysconfig
  from subprocess import Popen
  from .None import paths
  from .version import __version__
label_desc: Use image node_id 1 for calling the JupyterParser obj's underlying member method code with example usage: obj.epilog() and returns: unknown