Build failed. https://zuul.opendev.org/t/openstack/buildset/dbe4c57290a049f88e21129674044be1 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/2a93e88b65b546bb9f0a539dc0dc0b73 : FAILURE in 5m 05s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/7c0f6c120ba649eba1430987a6935160 : SUCCESS in 4m 35s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/b0e0cc6a9c53476d8605f74503fc9c33 : SUCCESS in 5m 22s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/c8e7a4bc934647a8b9b719131dfa5c83 : SUCCESS in 5m 21s