Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/0d4ab703c42f49d4b3d6e65183929553 : SUCCESS in 4m 50s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/a81b9ddc00bd4075934849d90548d871 : FAILURE in 8m 15s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/5a7822cfae2d499b9b28f48d1d68672f : FAILURE in 4m 22s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/e1ff7b3c09b548ec9a4deb71e4bfd7ff : FAILURE in 4m 43s