class_docstr: Object to manage sys.displayhook.
  
  This came from IPython.core.kernel.display_hook, but is simplified
  (no callbacks or formatters) until more of the core is refactored.
docstr: Unset the hook.
code: def unset(self):
      """Unset the hook."""
      sys.displayhook = self.old_hook
  
file_path: catboost/contrib/python/ipython/py3/IPython/core/display_trap.py
imports: import sys
  from traitlets.config.configurable import Configurable
  from traitlets import Any
label_desc: Use image node_id 5 for calling the DisplayTrap obj's underlying member method code with example usage: obj.unset() without return types