Build failed. https://zuul.opendev.org/t/openstack/buildset/5679559b767e4140a79abd39adb2938b - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/00ac156fab534f4d9e08732b3a985eaa : SUCCESS in 3m 18s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/7ad414609dfb458cbbee69dd8f8119d1 : FAILURE in 3m 15s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/222e611c47684518bff15cfc6ca68ef3 : SUCCESS in 3m 24s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/90e83f8057224cf4b0bc09cae74147f2 : SUCCESS in 5m 51s