sphinx>=2.0.0,!=2.1.0 # BSD
openstackdocstheme>=2.2.1 # Apache-2.0
sphinxcontrib-apidoc>=0.2.1 # BSD
# releasenotes
reno>=3.1.0 # Apache-2.0
# PDF Docs
sphinxcontrib-svg2pdfconverter>=0.1.0 # BSD