The VTK Python wrapper in vtkAddon is used for Python wrapping of VMTK and several other VTK-based libraries that are built outside VTK. You should be able to use it the same way as it is done in VMTK.
The VTK Python wrapper in vtkAddon is used for Python wrapping of VMTK and several other VTK-based libraries that are built outside VTK. You should be able to use it the same way as it is done in VMTK.