Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/a89080c1a4fa4f5ba63b9eb32c512097 : SUCCESS in 4m 19s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/acff7858625745e09980f152d230cdd4 : FAILURE in 3m 43s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/96008d7fdc8b434585ff5de803d6a16b : SUCCESS in 4m 37s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/c2a2a012342e4504877647a59019ef0c : SUCCESS in 6m 30s