fix pep8 err

Change-Id: Ib502fd06e46ae9f754f2f0247a64140624eac2af
Signed-off-by: Yaniv Bronhaim <ybronhei@redhat.com>
Reviewed-on: http://gerrit.ovirt.org/14340
Reviewed-by: Kiril Nesenko <knesenko@redhat.com>
Reviewed-by: Dan Kenigsberg <danken@redhat.com>