Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/b93e760491d9470c915a12e82e3849df : FAILURE in 8m 48s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/56dccd2b71be4990aed2232f2037b7e1 : FAILURE in 9m 20s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/5afa0676dee340de8452484ce9a45942 : FAILURE in 6m 49s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/323fdfe98f5645d292de6ed590faf08f : FAILURE in 8m 07s