pbr<2.0,>=0.11
Babel>=1.3
stevedore>=1.5.0 # Apache-2.0
six>=1.9.0
iso8601>=0.1.9
zake>=0.1.6 # Apache-2.0
msgpack-python>=0.4.0
fasteners>=0.7 # Apache-2.0
retrying!=1.3.0,>=1.2.3 # Apache-2.0
oslo.utils>=1.6.0 # Apache-2.0
oslo.serialization>=1.4.0 # Apache-2.0

[:python_version=='2.7' or python_version=='2.6']
futures>=3.0
