hacking>=2.0.0 # Apache-2.0
openstackdocstheme>=2.2.1 # Apache-2.0

oslotest
sphinx>=2.0.0,!=2.1.0 # BSD
stestr>=2.0.0 # Apache-2.0
reno>=3.1.0 # Apache-2.0
pyflakes>=2.2.0