On Fri, Nov 03, 2017 at 19:49:26 +0000, the lily wrote: > export PYTHONPATH=$PYTHONPATH:/Applications/ParaView-5.4.1.app/Contents/bin The modules should be in /path/to/.app/Contents/Python. Try: export PYTHONPATH=$PYTHONPATH:/Applications/ParaView-5.4.1.app/Contents/Python --Ben