six>=1.7.0
Babel>=1.3
netaddr>=0.7.12
oslo.concurrency>=1.4.1         # Apache-2.0
oslo.context>=0.1.0                     # Apache-2.0
oslo.messaging>=1.4.0,!=1.5.0
oslo.serialization>=1.2.0               # Apache-2.0
oslo.utils>=1.2.0                       # Apache-2.0
iso8601>=0.1.9