class_docstr: A simple displayhook that publishes the object's repr over a ZeroMQ
  socket.
class_docstr_tok: ["A","simple","displayhook","that","publishes","the","object","'s","repr","over","a","ZeroMQ","socket","."]
docstr: This method is replaced in kernelapp
docstr_tok: ["This","method","is","replaced","in","kernelapp"]
code: def get_execution_count(self):
      """This method is replaced in kernelapp"""
      return 0
  
file_path: catboost/contrib/python/ipykernel/py3/ipykernel/displayhook.py
imports: from __future__ import annotations
  import builtins
  import sys
  import typing
  from IPython.core.displayhook import DisplayHook
  from jupyter_client.session import Session, extract_header
  from traitlets import Any, Dict, Instance
  from ipykernel.jsonutil import encode_images, json_clean
label_desc: Use image node_id 2 for calling the ZMQDisplayHook obj's underlying member method code with example usage: obj.get_execution_count() and returns: int