code: def test_multi_geom_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": [5, 6, 7], "y": [2, 1, 2]},
          ],
          ["x", "y"],
      )
      geom = path.geom()
      self.assertIsInstance(geom, MultiPolygon)
      self.assertEqual(len(geom.geoms), 2)
      self.assertEqual(
          np.array(geom.geoms[0].exterior.coords),
          np.array([[0, 0], [1, 1], [2, 0], [0, 0]]),
      )
      self.assertEqual(len(geom.geoms[0].interiors), 1)
      self.assertIsInstance(geom.geoms[0].interiors[0], LinearRing)
      self.assertEqual(
          np.array(geom.geoms[0].interiors[0].coords),
          np.array([[0.5, 0.2], [1, 0.8], [1.5, 0.2], [0.5, 0.2]]),
      )
      self.assertEqual(
          np.array(geom.geoms[1].exterior.coords),
          np.array([[5, 2], [6, 1], [7, 2], [5, 2]]),
      )
      self.assertEqual(len(geom.geoms[1].interiors), 0)
  
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 4 for calling the TestPolygons obj's underlying member method code with example usage: obj.test_multi_geom_conversion() without return types