Comment 1 for bug 1738831

In addition it is perfectly possible to create a stack using this template and the command:
`$ openstack stack create -t heat/templates/default.yaml.template mystack`

```
+---------------------+--------------------------------------+
| Field | Value |
+---------------------+--------------------------------------+
| id | 2ff30634-0d05-4f4a-8d2e-c8ec12d8d367 |
| stack_name | mystack |
| description | Blank template |
| creation_time | 2017-12-19T08:11:20Z |
| updated_time | None |
| stack_status | CREATE_COMPLETE |
| stack_status_reason | Stack CREATE completed successfully |
+---------------------+--------------------------------------+
```