code: def _handle_ipython():
      """Register with the comm target at import if running in IPython"""
      ip = get_ipython()
      if ip is None:
          return
      load_ipython_extension(ip)
  
file_path: catboost/contrib/python/ipywidgets/py2/ipywidgets/__init__.py
imports: import os
  from IPython import get_ipython
  from ._version import version_info, __version__, __protocol_version__, __jupyter_widgets_controls_version__, __jupyter_widgets_base_version__
  from .widgets import *
  from traitlets import link, dlink
label_desc: Use image node_id 3 for calling a global function with example usage: _handle_ipython() without return types