pbr>=0.6,!=0.7,<1.0
oslo.config>=1.4.0  # Apache-2.0
oslo.utils>=1.0.0                       # Apache-2.0
oslo.serialization>=1.0.0               # Apache-2.0
oslo.i18n>=1.0.0  # Apache-2.0
stevedore>=1.1.0  # Apache-2.0
six>=1.7.0
eventlet>=0.15.2
PyYAML>=3.1.0
kombu>=2.5.0
oslo.middleware>=0.1.0                  # Apache-2.0