code: def test_two_regions():
      mp = MultiPoint(points=[(0.5, 0.5), (1.0, 1.0)])
      regions = voronoi_diagram(mp)
  
      assert len(regions.geoms) == 2
  
file_path: shapely/shapely/tests/legacy/test_voronoi_diagram.py
imports: import numpy
  import pytest
  from shapely.geometry import MultiPoint
  from shapely.ops import voronoi_diagram
  from shapely.wkt import loads
label_desc: Use image node_id 2 for calling a global function with example usage: test_two_regions() without return types