code: def test_pylab_integration():
      IPython = pytest.importorskip("IPython")
      mpl.testing.subprocess_run_helper(
          IPython.start_ipython,
          "--pylab",
          "-c",
          ";".join(
              (
                  "import matplotlib.pyplot as plt",
                  "assert plt._REPL_DISPLAYHOOK == plt._ReplDisplayHook.IPYTHON",
              )
          ),
          timeout=60,
      )
  
imports: import difflib
  import numpy
  import sys
  from pathlib import Path
  import pytest
  import matplotlib
  from matplotlib.testing import subprocess_run_for_testing
  from matplotlib import pyplot
label_desc: Use image node_id 22 for calling a global function with example usage: test_pylab_integration() without return types