openstackdocstheme>=1.11.0 # Apache-2.0
reno>=0.1.1 # Apache2
sphinx!=1.6.6,!=1.6.7,<2.0.0;python_version=='2.7'  # BSD
sphinx!=1.6.6,!=1.6.7,!=2.1.0;python_version>='3.4'  # BSD