Build failed. https://zuul.opendev.org/t/openstack/buildset/e167428652a84182b55d259f1be31a32 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/12b6bf56a8604c2bbeca77cd8ae6e9d5 : FAILURE in 6m 35s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/15e69ebec8094754b4fd9f9c6768e7e1 : SUCCESS in 4m 48s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/04dca40fd97e4d61b1bde82a042ce437 : SUCCESS in 4m 54s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/e4ae940d78f3487fa796dd52f71b05a2 : SUCCESS in 5m 34s