code: def restore_dhist(ip):
      ip.user_ns["_dh"] = ip.db.get("dhist", [])
  
file_path: catboost/contrib/python/ipython/py3/IPython/extensions/storemagic.py
imports: import inspect, os, sys, textwrap
  from IPython.core.error import UsageError
  from IPython.core.magic import Magics, magics_class, line_magic
  from IPython.testing.skipdoctest import skip_doctest
  from traitlets import Bool
label_desc: Use image node_id 3 for calling a global function with example usage: restore_dhist(ip) without return types