code: def test_cellpx_keyboard_interrupt_signal_2(self):
      self.cellpx_keyboard_interrupt_test_helper("2")
  
imports: import re
  import signal
  import sys
  import time
  import pytest
  from IPython import get_ipython
  from IPython.utils.io import capture_output
  import ipyparallel
  from ipyparallel import AsyncResult
  from .clienttest import ClusterTestCase, generate_output, raises_remote
label_desc: Use image node_id 24 for calling the TestParallelMagics obj's underlying member method code with example usage: obj.test_cellpx_keyboard_interrupt_signal_2() without return types