code: def test_contour_shape_1d_valid():
      x = np.arange(10)
      y = np.arange(9)
      z = np.random.random((9, 10))
  
      fig, ax = plt.subplots()
      ax.contour(x, y, z)
  
imports: import datetime
  import platform
  import re
  from unittest import mock
  import contourpy
  import numpy
  from numpy.testing import assert_array_almost_equal, assert_array_almost_equal_nulp, assert_array_equal
  import matplotlib
  from matplotlib import pyplot, rc_context, ticker
  from matplotlib.colors import LogNorm, same_color
  import matplotlib.patches
  from matplotlib.testing.decorators import check_figures_equal, image_comparison
  import pytest
label_desc: Use image node_id 2 for calling a global function with example usage: test_contour_shape_1d_valid() without return types