pbr>=1.6
Babel>=1.3
six>=1.9.0
oslo.config>=3.4.0  # Apache-2.0
oslo.log>=1.14.0  # Apache-2.0
oslo.serialization>=1.10.0              # Apache-2.0
oslo.utils>=3.4.0                       # Apache-2.0
taskflow>=1.26.0  # Apache-2.0