Unable to import the segmentation module

[ChristianMaier]

When I try to import the segmentation module it gives me the following error:
File "/opt/director/build/install/lib/python3.6/site-packages/director/segmentation.py", line 41, in
planeSegmentationFilter = vtk.vtkPlaneSegmentation
AttributeError: module 'director.vtkAll' has no attribute 'vtkPlaneSegmentation'

And:
File "/opt/director/build/install/lib/python3.6/site-packages/director/segmentation.py", line 43, in
planeSegmentationFilter = vtk.vtkPCLSACSegmentationPlane
AttributeError: module 'director.vtkAll' has no attribute 'vtkPCLSACSegmentationPlane'

I tracked it down and indeed these modules are not in the python modules. I tweaked a little bit around but i am not able to solve it.
I am running a ubuntu 18.04. The director package is freshly installed.

Thanks in advance!