Fix flake8 changed files detection (#3855)
Fix flake8 changed files detection (#3855)


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