python-glanceclient>=2.0.0 # Apache-2.0
python-keystoneclient!=1.8.0,!=2.1.0,>=1.6.0 # Apache-2.0
python-novaclient!=2.33.0,>=2.29.0 # Apache-2.0
python-heatclient>=0.6.0 # Apache-2.0