Build failed. https://zuul.opendev.org/t/openstack/buildset/67513dbe1144463ba0c9ca0c35bfc798 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/d6ba5b25fc154e52b23ccaf38ecdaad0 : FAILURE in 3m 21s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/df978610160c4e6fb8312feda66bc5ec : SUCCESS in 3m 48s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/0e2cd59f366b482a8e4770587b378ea5 : SUCCESS in 3m 19s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/1f38710e5f9d4859a14135cf354eeaf3 : SUCCESS in 4m 59s