pbr>=2.0.0,!=2.1.0 # Apache-2.0
sphinx!=1.6.6,!=1.6.7,>=1.6.5,<2.0.0;python_version=='2.7' # BSD
sphinx!=1.6.6,!=1.6.7,>=1.6.5,!=2.1.0;python_version>='3.4' # BSD
testtools>=1.4.0
yasfb>=0.8.0
openstackdocstheme>=1.19.0 # Apache-2.0