Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/691ae461c65944629a7f3fe212a244ae : SUCCESS in 6m 42s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/c15c3630c2fb4fb6894793d64698afea : FAILURE in 4m 25s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/23a2e631d19e4efda305d93d839ad452 : SUCCESS in 5m 06s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/1cd5ad4005d6400d87d1e23c279be0f2 : SUCCESS in 5m 46s