Build failed. https://zuul.opendev.org/t/openstack/buildset/6662c6cc7c3d4d43ae6f93541322a9b6 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/ba919cc734ac47dbb7c88b2d0387c62b : SUCCESS in 3m 52s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/c9bc2dd4df2648ffa9bc47ef88311e95 : FAILURE in 2m 52s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/fde703a57c644a059b079b619f14bfb4 : SUCCESS in 4m 01s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/a70a36c18d4649b5b282640bfa229209 : SUCCESS in 3m 38s