code: def _profile_changed(self, change):
      self.builtin_profile_dir = os.path.join(
          get_ipython_package_dir(), "config", "profile", change["new"]
      )
  
imports: import atexit
  from copy import deepcopy
  import glob
  import logging
  import os
  import shutil
  import sys
  from traitlets.config.application import Application, catch_config_error
  from traitlets.config.loader import ConfigFileNotFound, PyFileConfigLoader
  from IPython.core import release, crashhandler
  from IPython.core.profiledir import ProfileDir, ProfileDirError
  from IPython.paths import get_ipython_dir, get_ipython_package_dir
  from IPython.utils.path import ensure_dir_exists
  from IPython.utils import py3compat
  from traitlets import List, Unicode, Type, Bool, Dict, Set, Instance, Undefined, default, observe
label_desc: Use image node_id 5 for calling the BaseIPythonApplication obj's underlying member method code with example usage: obj._profile_changed(change) without return types