code: def test_inset_and_secondary():
      fig, ax = plt.subplots()
      ax.inset_axes([0.1, 0.1, 0.3, 0.3])
      ax.secondary_xaxis("top", functions=(np.square, np.sqrt))
      pickle.loads(pickle.dumps(fig))
  
imports: from io import BytesIO
  import ast
  import pickle
  import pickletools
  import numpy
  import pytest
  import matplotlib
  from matplotlib import cm
  from matplotlib.testing import subprocess_run_helper
  from matplotlib.testing.decorators import check_figures_equal
  from matplotlib.dates import rrulewrapper
  from matplotlib.lines import VertexSelector
  import matplotlib.pyplot
  import matplotlib.transforms
  import matplotlib.figure
  from mpl_toolkits.axes_grid1 import parasite_axes
label_desc: Use image node_id 14 for calling a global function with example usage: test_inset_and_secondary() without return types