pbr>=0.5.21,<1.0 eventlet>=0.13.0 Flask>=0.10,<1.0 oslo.config>=1.2.0 PyYAML>=3.1.0 #openstack-common requires iso8601>=0.1.8 kombu>=2.4.8 Babel>=1.3 python-keystoneclient>=0.4.1