split() function expects string not array
split() function expects string not array

Change-Id: Ie2be7f9030a5111cc33025f84c22efdc08eabcdd
Signed-off-by: Leif Madsen <2edea54a81db8cda0c7efda1f0e296410017251a@redhat.com>

openstack/tripleo-heat-templates,openstack/tripleo-heat-templates