class_docstr: Only testing the number of triangles and their type here.
  This doesn't actually test the points in the resulting geometries.
code: def test_polys(self):
      polys = triangulate(self.p)
      assert len(polys) == 2
      for p in polys:
          assert isinstance(p, Polygon)
  
file_path: shapely/shapely/tests/legacy/test_delaunay.py
imports: import unittest
  from shapely.geometry import LineString, Point, Polygon
  from shapely.ops import triangulate
label_desc: Use image node_id 2 for calling the DelaunayTriangulation obj's underlying member method code with example usage: obj.test_polys() without return types