Fix pep8 compliance after updating to latest pep8

Change-Id: Ife21e7df35d8efead6bc8a3ad27129f671e6cc26
Signed-off-by: Ohad Basan <obasan@redhat.com>
Reviewed-on: http://gerrit.ovirt.org/16394
Reviewed-by: Kiril Nesenko <knesenko@redhat.com>
Reviewed-by: Yaniv Bronhaim <ybronhei@redhat.com>
Reviewed-by: Dan Kenigsberg <danken@redhat.com>