pylintrc: ignore R1720 no-else-raise errors
Newer pylint trips on unnecessary else/elif after raise.
Ignore that error for now as it breaks our build.
Signed-off-by: François Cami <fcami@redhat.com>
Reviewed-By: Christian Heimes <cheimes@redhat.com>
Reviewed-By: Christian Heimes <cheimes@redhat.com>