Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/afc885afca7b4e0183fc414ba49f6ff4 : SUCCESS in 6m 29s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/afccf4bf19c149d48cbef94f5d9d8542 : FAILURE in 4m 58s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/cd83a4e7b89b4756bb65cf4fd21d2ce0 : SUCCESS in 5m 13s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/5958307458fc41e6b8a6cb2a27688db0 : SUCCESS in 6m 38s