Prohibit Python3 in Python version check. (#1872)
Prohibit Python3 in Python version check. (#1872)


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