code: def test_inset_axes():
      fig, ax = plt.subplots(figsize=[5, 4])
  
      # prepare the demo image
      # Z is a 15x15 array
      Z = cbook.get_sample_data("axes_grid/bivariate_normal.npy")
      extent = (-3, 4, -4, 3)
      Z2 = np.zeros((150, 150))
      ny, nx = Z.shape
      Z2[30 : 30 + ny, 30 : 30 + nx] = Z
  
      ax.imshow(
          Z2, extent=extent, interpolation="nearest", origin="lower"
      )
  
      # creating our inset axes with a bbox_transform parameter
      axins = inset_axes(
          ax,
          width=1.0,
          height=1.0,
          bbox_to_anchor=(1, 1),
          bbox_transform=ax.transAxes,
      )
  
      axins.imshow(
          Z2, extent=extent, interpolation="nearest", origin="lower"
      )
      axins.yaxis.get_major_locator().set_params(nbins=7)
      axins.xaxis.get_major_locator().set_params(nbins=7)
      # sub region of the original image
      x1, x2, y1, y2 = -1.5, -0.9, -2.5, -1.9
      axins.set_xlim(x1, x2)
      axins.set_ylim(y1, y2)
  
      plt.xticks(visible=False)
      plt.yticks(visible=False)
  
      # draw a bbox of the region of the inset axes in the parent axes and
      # connecting lines between the bbox and the inset axes area
      mark_inset(ax, axins, loc1=2, loc2=4, fc="none", ec="0.5")
  
      asb = AnchoredSizeBar(
          ax.transData,
          0.5,
          "0.5",
          loc="lower center",
          pad=0.1,
          borderpad=0.5,
          sep=5,
          frameon=False,
      )
      ax.add_artist(asb)
  
imports: from itertools import product
  import io
  import platform
  import matplotlib
  import matplotlib.pyplot
  import matplotlib.ticker
  from matplotlib import cbook
  from matplotlib.backend_bases import MouseEvent
  from matplotlib.colors import LogNorm
  from matplotlib.patches import Circle, Ellipse
  from matplotlib.transforms import Bbox, TransformedBbox
  from matplotlib.testing.decorators import check_figures_equal, image_comparison, remove_ticks_and_titles
  from mpl_toolkits.axes_grid1 import axes_size, host_subplot, make_axes_locatable, Grid, AxesGrid, ImageGrid
  from mpl_toolkits.axes_grid1.anchored_artists import AnchoredAuxTransformBox, AnchoredDrawingArea, AnchoredEllipse, AnchoredDirectionArrows, AnchoredSizeBar
  from mpl_toolkits.axes_grid1.axes_divider import Divider, HBoxDivider, make_axes_area_auto_adjustable, SubplotDivider, VBoxDivider
  from mpl_toolkits.axes_grid1.axes_rgb import RGBAxes
  from mpl_toolkits.axes_grid1.inset_locator import zoomed_inset_axes, mark_inset, inset_axes, BboxConnectorPatch, InsetPosition
  import mpl_toolkits.axes_grid1.mpl_axes
  import pytest
  import numpy
  from numpy.testing import assert_array_equal, assert_array_almost_equal
label_desc: Use image node_id 7 for calling a global function with example usage: test_inset_axes() without return types