sphinx!=1.6.6,!=1.6.7,>=1.6.2,<2.0.0;python_version=='2.7' # BSD
sphinx!=1.6.6,!=1.6.7,>=1.6.2,!=2.1.0;python_version>='3.4' # BSD
openstackdocstheme>=1.19.0 # Apache-2.0
sphinx-feature-classification>=0.2.0 # Apache-2.0