Followup-For: Bug #903698 There is still something broken in python3-sphinxbase:
The package ships /usr/lib/python3/dist-packages/sphinxbase/_sphinxbase.so.0.0.0 ans the dangling symlink /usr/lib/python3.6/site-packages/sphinxbase/_sphinxbase.so -> _sphinxbase.so.0.0.0 Andreas
