diff --git a/manifests/params.pp b/manifests/params.pp
index d2c9b7f4..b62080bd 100644
--- a/manifests/params.pp
+++ b/manifests/params.pp
@@ -1,12 +1,8 @@
 #
 class tempest::params {
   include ::openstacklib::defaults
-  if ($::os['name'] == 'Fedora') or
-    ($::os['family'] == 'RedHat' and Integer.new($::os['release']['major']) > 7) {
-    $pyvers = '3'
-  } else {
-    $pyvers = ''
-  }
+  $pyvers = $::openstacklib::defaults::pyvers
+
   case $::osfamily {
     'RedHat': {
       $dev_packages = [