Build failed. https://zuul.opendev.org/t/openstack/buildset/2ee9ac5840f6424097acd5e249c2a602 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/77bd15235d734ab79c5c60a5d8e7f3e4 : FAILURE in 5m 14s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/519834d8fc8b4f3c9a1de233a0095869 : SUCCESS in 4m 33s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/2bbe7f664451464981a15db4d2f2726e : SUCCESS in 5m 25s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/c729f548206643719f161f74b138fed1 : SUCCESS in 5m 35s