class_docstr: Class for communicating between a Frontend and a Kernel
class_docstr_tok: ["Class","for","communicating","between","a","Frontend","and","a","Kernel"]
docstr: trigger close on gc
docstr_tok: ["trigger","close","on","gc"]
code: def __del__(self):
      """trigger close on gc"""
      self.close()
  
file_path: catboost/contrib/python/ipykernel/py2/ipykernel/comm/comm.py
imports: import uuid
  from traitlets.config import LoggingConfigurable
  from ipykernel.kernelbase import Kernel
  from ipykernel.jsonutil import json_clean
  from traitlets import Instance, Unicode, Bytes, Bool, Dict, Any, default
label_desc: Use image node_id 6 for calling the Comm obj's underlying member method code with example usage: obj.__del__() without return types