Build failed. https://zuul.opendev.org/t/openstack/buildset/15acdbac9ab94ac08be9da496067fc1e - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/bea81d3eaa6546478ae84e2e12eeb595 : FAILURE in 4m 02s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/e24ef72232384c2dbd0a8f28568a095e : SUCCESS in 3m 16s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/7e064a7d27c1454ba53e6c0d030ee8b2 : SUCCESS in 3m 59s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/d58a4fdafff649b58eb98b0f49439560 : SUCCESS in 4m 42s