Nope. It is expecting a comma-delimited string.

2015-05-13 17:45:07 +00:00 · 2015-05-13 17:45:07 +00:00 · 1653a999c3
commit 1653a999c3
parent 819bd020a4
1 changed files with 1 additions and 3 deletions
--- a/inventory/host_vars/taiga.cloud.fedoraproject.org
+++ b/inventory/host_vars/taiga.cloud.fedoraproject.org
@ -2,9 +2,7 @@
 image: finalTC1.x86_64
 instance_type: m1.medium
 keypair: fedora-admin-20130801
-security_group:
- ssh-anywhere-persistent
- web-80-anywhere-persistent
+security_group: ssh-anywhere-persistent,web-80-anywhere-persistent
 zone: nova
 inventory_tenant: persistent
 inventory_instance_name: taiga