make vim python3 compatible (#6925)
make vim python3 compatible (#6925)


krafczyk/spack,iulian787/spack,mfherbst/spack,LLNL/spack,mfherbst/spack,mfherbst/spack,tmerrick1/spack,tmerrick1/spack,matthiasdiener/spack,krafczyk/spack,krafczyk/spack,LLNL/spack,matthiasdiener/spack,krafczyk/spack,iulian787/spack,EmreAtes/spack,matthiasdiener/spack,EmreAtes/spack,iulian787/spack,mfherbst/spack,mfherbst/spack,EmreAtes/spack,krafczyk/spack,tmerrick1/spack,matthiasdiener/spack,EmreAtes/spack,matthiasdiener/spack,iulian787/spack,EmreAtes/spack,LLNL/spack,LLNL/spack,tmerrick1/spack,iulian787/spack,tmerrick1/spack,LLNL/spack