Avoid using the interactive interpreter for a one-liner
Avoid using the interactive interpreter for a one-liner

There's no reason to jump into the interactive interpreter if you only
need to run a single line of code and ensure that it doesn't fail.

Change-Id: I6d593b97517460395ef31a84a986a73a36b82078

ilay09/keystone,ilay09/keystone,cernops/keystone,vivekdhayaal/keystone,dstanek/keystone,openstack/keystone,dstanek/keystone,mahak/keystone,roopali8/keystone,ilay09/keystone,vivekdhayaal/keystone,takeshineshiro/keystone,klmitch/keystone,himanshu-setia/keystone,takeshineshiro/keystone,jamielennox/keystone,rajalokan/keystone,rajalokan/keystone,ajayaa/keystone,mahak/keystone,idjaw/keystone,dims/keystone,openstack/keystone,ajayaa/keystone,klmitch/keystone,openstack/keystone,dstanek/keystone,jamielennox/keystone,mahak/keystone,rajalokan/keystone,roopali8/keystone,jonnary/keystone,maestro-hybrid-cloud/keystone,cernops/keystone,jonnary/keystone,himanshu-setia/keystone,vivekdhayaal/keystone,dims/keystone,idjaw/keystone,maestro-hybrid-cloud/keystone