Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/8ca68abb3d1c4495a3992074d38885a7 : SUCCESS in 10m 01s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/8e3422e11c704fd9b95cc0e9f73f813a : FAILURE in 6m 17s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/458c70ca9366495c99d2f84638b71ab4 : SUCCESS in 8m 21s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/38cec29dc70441ef9c38dd61decb90d2 : SUCCESS in 9m 43s