code: def test_worm_descriptor_building_none():
      module = cellprofiler.modules.untangleworms.UntangleWorms()
      params = make_params(dict(worm_radius=5, num_control_points=20))
      result, _, _, _, _ = module.worm_descriptor_building(
          [], params, (0, 0)
      )
      assert len(result) == 0
  
imports: import base64
  import io
  import os
  import tempfile
  import zlib
  import imageio
  import centrosome.outline
  import numpy
  import scipy.ndimage
  import cellprofiler_core.image
  import cellprofiler_core.measurement
  import cellprofiler_core.modules
  import cellprofiler.modules.untangleworms
  import cellprofiler_core.object
  import cellprofiler_core.pipeline
  import cellprofiler_core.preferences
  import cellprofiler_core.setting
  import cellprofiler_core.workspace
  import tests.frontend.modules
label_desc: Use image node_id 27 for calling a global function with example usage: test_worm_descriptor_building_none() without return types