Build failed. https://zuul.opendev.org/t/openstack/buildset/d70734c43fef4da6b2cb0ba973fceb24 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/6846bf50cf034b2eb0900f1ec42040c5 : FAILURE in 7m 59s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/ecf2aa06d1a24a74b202a6554456a41b : SUCCESS in 5m 34s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/4cbba8c7a20a4bc0bd5d6b4c60802ade : SUCCESS in 5m 47s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/41ad7a86b1b440ebad317a55ba961a09 : SUCCESS in 6m 08s