pbr>=2.0.0
actdiag
blockdiag
nwdiag
oslosphinx>=4.7.0
seqdiag
sphinx>=1.5.1,!=1.6.1 # BSD
sphinxcontrib-actdiag
sphinxcontrib-blockdiag # BSD
sphinxcontrib-nwdiag
sphinxcontrib-seqdiag # BSD
yasfb>=0.6.1