Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/c3ee8cacab6943e8a5d1db655d77109f : SUCCESS in 13m 40s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/871590f2b1494396af73eaf220d2ccc1 : FAILURE in 3m 18s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/da1954a16dc448b48881c80c3e5e0834 : SUCCESS in 5m 39s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/57be84127714483c83bfe19efa0693da : SUCCESS in 7m 24s