code: def test_show_hist_large():
      """
      This test only verifies that code up to the point of plotting with
      matplotlib works correctly.  Tests do not exercise matplotlib.
      """
      try:
          rand_arr = np.random.randn(10, 718, 791)
          show_hist(rand_arr)
          fig = plt.gcf()
          plt.close(fig)
      except ImportError:
          pass
  
imports: import pytest
  import matplotlib
  import numpy
  import rasterio
  from rasterio.plot import show, show_hist, get_plt, plotting_extent, adjust_band
  from rasterio.enums import ColorInterp
label_desc: Use image node_id 8 for calling a global function with example usage: test_show_hist_large() without return types