More flake8 fixes for package-list
More flake8 fixes for package-list

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