Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/8af7c88a1b1e4d138cb8a0d2fe42f3ab : SUCCESS in 4m 49s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/d1205fe1dc9b4ce4b8c9e623de915737 : FAILURE in 4m 38s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/02e58c3083624cb6b8a9c72c9a425135 : SUCCESS in 4m 49s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/36bacc07718f4d27a1c2d936402bebdd : SUCCESS in 6m 16s