Build failed. https://zuul.opendev.org/t/openstack/buildset/b4d0c96537fc4c90ac28f89979f9e064 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/3341dabe3d8f428580236d1f32b5e5d9 : FAILURE in 7m 38s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/9bcfec3259f143a085d6247a122d5891 : SUCCESS in 6m 06s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/38fe559b0f16440287858cca4b0b2050 : SUCCESS in 6m 02s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/e6db849be9384de7ae258623676935ea : SUCCESS in 5m 47s