fix build to work against depends for modules created by setup.py and add python3 support
fix build to work against depends for modules created by setup.py and add python3 support

tmerrick1/spack,TheTimmy/spack,LLNL/spack,iulian787/spack,mfherbst/spack,iulian787/spack,skosukhin/spack,lgarren/spack,mfherbst/spack,mfherbst/spack,LLNL/spack,skosukhin/spack,LLNL/spack,matthiasdiener/spack,iulian787/spack,matthiasdiener/spack,EmreAtes/spack,EmreAtes/spack,TheTimmy/spack,mfherbst/spack,tmerrick1/spack,TheTimmy/spack,tmerrick1/spack,skosukhin/spack,TheTimmy/spack,iulian787/spack,skosukhin/spack,LLNL/spack,tmerrick1/spack,lgarren/spack,EmreAtes/spack,matthiasdiener/spack,krafczyk/spack,EmreAtes/spack,iulian787/spack,krafczyk/spack,skosukhin/spack,lgarren/spack,EmreAtes/spack,lgarren/spack,krafczyk/spack,matthiasdiener/spack,LLNL/spack,krafczyk/spack,TheTimmy/spack,mfherbst/spack,matthiasdiener/spack,lgarren/spack,krafczyk/spack,tmerrick1/spack