code: def test_single_geom_with_hole_conversion(self):
      holes = [[((0.5, 0.2), (1, 0.8), (1.5, 0.2))]]
      path = Polygons(
          [{"x": [0, 1, 2], "y": [0, 1, 0], "holes": holes}], ["x", "y"]
      )
      geom = path.geom()
      self.assertIsInstance(geom, Polygon)
      self.assertEqual(
          np.array(geom.exterior.coords),
          np.array([[0, 0], [1, 1], [2, 0], [0, 0]]),
      )
      self.assertEqual(len(geom.interiors), 1)
      self.assertIsInstance(geom.interiors[0], LinearRing)
      self.assertEqual(
          np.array(geom.interiors[0].coords),
          np.array([[0.5, 0.2], [1, 0.8], [1.5, 0.2], [0.5, 0.2]]),
      )
  
imports: import numpy
  from holoviews.element.comparison import ComparisonTestCase
  from shapely.geometry import GeometryCollection, Polygon, Point, LineString, LinearRing, MultiPolygon, MultiLineString, MultiPoint
  from geoviews.element import Rectangles, Path, Polygons, Points, Segments
label_desc: Use image node_id 3 for calling the TestPolygons obj's underlying member method code with example usage: obj.test_single_geom_with_hole_conversion() without return types