code: def test_empty_mesh_wireframe():
      """Test that an empty mesh does not cause issues with wireframe filter"""
      mesh = MeshVisual()
      wf = WireframeFilter()
      mesh.attach(wf)
  
      # trigger update of filter
      wf.enabled = True
  
label_desc: Use image node_id 1 for calling a global function with example usage: test_empty_mesh_wireframe() without return types