code: def test_polygon_to_path_patches(self):
      xs = [1, 2, 3, np.nan, 3, 7, 6, np.nan, 0, 0, 0]
      ys = [2, 0, 7, np.nan, 2, 5, 7, np.nan, 0, 1, 0]
  
      holes = [
          [
              [(1.5, 2), (2, 3), (1.6, 1.6)],
              [(2.1, 4.5), (2.5, 5), (2.3, 3.5)],
          ],
          [],
          [],
      ]
      polys = Polygons([{"x": xs, "y": ys, "holes": holes}])
      paths = polygons_to_path_patches(polys)
  
      self.assertEqual(len(paths), 1)
      self.assertEqual(len(paths[0]), 3)
      self.assertEqual(
          paths[0][0].get_path().vertices,
          np.array(
              [
                  (1, 2),
                  (2, 0),
                  (3, 7),
                  (1, 2),
                  (1.5, 2),
                  (2, 3),
                  (1.6, 1.6),
                  (1.5, 2),
                  (2.1, 4.5),
                  (2.5, 5),
                  (2.3, 3.5),
                  (2.1, 4.5),
              ]
          ),
      )
      self.assertEqual(
          paths[0][0].get_path().codes,
          np.array(
              [1, 2, 2, 79, 1, 2, 2, 79, 1, 2, 2, 79], dtype="uint8"
          ),
      )
      self.assertEqual(
          paths[0][1].get_path().vertices,
          np.array(
              [
                  (3, 2),
                  (7, 5),
                  (6, 7),
                  (3, 2),
              ]
          ),
      )
      self.assertEqual(
          paths[0][1].get_path().codes,
          np.array([1, 2, 2, 79], dtype="uint8"),
      )
      self.assertEqual(
          paths[0][2].get_path().vertices,
          np.array([(0, 0), (0, 1), (0, 0)]),
      )
      self.assertEqual(
          paths[0][1].get_path().codes,
          np.array([1, 2, 2, 79], dtype="uint8"),
      )
  
imports: import numpy
  from holoviews.element import Polygons
  from holoviews.plotting.mpl.util import polygons_to_path_patches
  from .test_plot import TestMPLPlot
label_desc: Use image node_id 1 for calling the TestUtils obj's underlying member method code with example usage: obj.test_polygon_to_path_patches() without return types