Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/e7ae36b3454d40b180075b0625e79a2e : SUCCESS in 4m 53s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/891bcb282b5644fd92461a01095c8f00 : FAILURE in 4m 36s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/a858cccb801d419587f429f01c17cd04 : SUCCESS in 6m 13s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/e23e084998d1482d83104622a39be37e : SUCCESS in 5m 54s