pbr>=2.0.0 actdiag blockdiag nwdiag openstackdocstheme>=2.2.1 # Apache-2.0 seqdiag sphinx>=2.0.0,!=2.1.0 # BSD sphinxcontrib-actdiag sphinxcontrib-blockdiag # BSD sphinxcontrib-nwdiag sphinxcontrib-seqdiag # BSD yasfb>=0.6.1