Updated openstack/openstack
Project: openstack/heat  0c7663b0b2f4d892686697ab0c27f7f121ab7a73
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Validate that resource type is a string

Raises a proper validation error when a non-string resource type is passed.

Change-Id: I1c84ee2bb1c7ff78802119e3321998b9d6487b2f
Closes-Bug: #1298548