qa/admin/check-vm: try to guess which Python we're using ...
qa/admin/check-vm: try to guess which Python we're using ...

and cull packages for other Python versions from the checklist

adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp