Updated openstack/openstack
Project: openstack/python-heatclient  a016c15219062b0220ece16f1b8ff4a175965331
null
Do not use the '+' operation with dict_items()

This operation is undefined in Python3, list() must be called first.

Change-Id: Ia8e06d5be6a0bd4426ad5ea5028fbe7d85fa12e2