class_docstr: Class for communicating between a Frontend and a Kernel
class_docstr_tok: ["Class","for","communicating","between","a","Frontend","and","a","Kernel"]
code: def _default_topic(self):
      return ("comm-%s" % self.comm_id).encode("ascii")
  
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 3 for calling the Comm obj's underlying member method code with example usage: obj._default_topic() and returns: unknown