class_docstr: Kernel for testing subprocess signaling
class_docstr_tok: ["Kernel","for","testing","subprocess","signaling"]
docstr: Add delay to kernel_info_request
  
  triggers slow-response code in KernelClient.wait_for_ready
docstr_tok: ["Add","delay","to","kernel_info_request","triggers","slow-response","code","in","KernelClient.wait_for_ready"]
code: def kernel_info_request(self, *args, **kwargs):
      """Add delay to kernel_info_request
  
      triggers slow-response code in KernelClient.wait_for_ready
      """
      return super(SignalTestKernel, self).kernel_info_request(
          *args, **kwargs
      )
  
file_path: catboost/contrib/python/jupyter-client/py2/jupyter_client/tests/signalkernel.py
imports: from __future__ import print_function
  from subprocess import Popen, PIPE
  import sys
  import time
  from ipykernel.displayhook import ZMQDisplayHook
  from ipykernel.kernelbase import Kernel
  from ipykernel.kernelapp import IPKernelApp
label_desc: Use image node_id 3 for calling the SignalTestKernel obj's underlying member method code with example usage: obj.kernel_info_request() and returns: super