Fixing pep8 and pyflake errors after updating to new pep8 version

Change-Id: I5c53dd91b2caa335f26a49a9ec0bbe65019dc4ff
Signed-off-by: Yaniv Bronhaim <ybronhei@redhat.com>
Reviewed-on: http://gerrit.ovirt.org/16339
Reviewed-by: Ohad Basan <obasan@redhat.com>
Reviewed-by: Dan Kenigsberg <danken@redhat.com>
Tested-by: Dan Kenigsberg <danken@redhat.com>