Build failed. https://zuul.opendev.org/t/openstack/buildset/07c78919d58946909b6a03c514163d5b - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/a905469460644dbe8617ffd9d8430a2e : SUCCESS in 7m 21s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/69614ea3291d45e699c754cc2c491225 : SUCCESS in 6m 42s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/605b412b12314979af9888642aa329ee : SUCCESS in 3m 07s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/405de311663042259335b29be6abb739 : FAILURE in 2m 42s