Build failed. https://zuul.opendev.org/t/openstack/buildset/dd255c765aff4052bb9938daa5aab254 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/9166ad61759c4bf89a791c6b397dedd2 : FAILURE in 6m 22s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/7638d6618d0d4a22899914343d0f3879 : SUCCESS in 6m 05s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/74ec35676a94429497fb32ab6703faac : SUCCESS in 5m 48s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/48c5e1e5cc8d473599467f597630a3bf : SUCCESS in 8m 23s