Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/adae25269d3b40118393cc8d66b99154 : SUCCESS in 10m 52s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/8f2e3f8f282b4237a6c7ee7da54a728a : FAILURE in 4m 58s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/97b5ead2dad34083bef0162e140e13e2 : SUCCESS in 8m 55s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/63bec1312b8546e98bf2a4436beef900 : SUCCESS in 7m 28s