pep8: fix pep8 on generated vdsm.py

Change-Id: I83014e4443276975528429cb54c33decd0b45ab9
Signed-off-by: Sandro Bonazzola <sbonazzo@redhat.com>
Reviewed-on: http://gerrit.ovirt.org/35240
Reviewed-by: Douglas Schilling Landgraf <dougsland@redhat.com>
Reviewed-by: Dan Kenigsberg <danken@redhat.com>