Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/4f32ad5e3b0e4342b157d420bcbe546a : SUCCESS in 4m 18s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/21819ce2dda547028178454eaf801654 : FAILURE in 3m 16s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/1f789416f2ba4d459ba2ffb5ed4b9914 : SUCCESS in 4m 18s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/c77bc17c7efc45ce88084c6ca69bacb0 : SUCCESS in 4m 53s