code: def init_kernel_client(self):
      if self.kernel_manager is not None:
          self.kernel_client = self.kernel_manager.client()
      else:
          self.kernel_client = self.kernel_client_class(
              session=self.session,
              ip=self.ip,
              transport=self.transport,
              shell_port=self.shell_port,
              iopub_port=self.iopub_port,
              stdin_port=self.stdin_port,
              hb_port=self.hb_port,
              connection_file=self.connection_file,
              parent=self,
          )
  
      self.kernel_client.start_channels()
  
imports: import atexit
  import os
  import signal
  import sys
  import uuid
  import warnings
  from traitlets.config.application import boolean_flag
  from ipython_genutils.path import filefind
  from traitlets import Dict, List, Unicode, CUnicode, CBool, Any
  from jupyter_core.application import base_flags, base_aliases
  from .blocking import BlockingKernelClient
  from .restarter import KernelRestarter
  from .None import KernelManager, tunnel_to_kernel, find_connection_file, connect
  from .kernelspec import NoSuchKernel
  from .session import Session
  from .localinterfaces import localhost
label_desc: Use image node_id 7 for calling the JupyterConsoleApp obj's underlying member method code with example usage: obj.init_kernel_client() without return types