Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/2f5123fa80f24d7e9a4ad45a240929aa : SUCCESS in 4m 31s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/f58d6927e31d486d81383e2b0ba29e2b : FAILURE in 10m 59s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/dced5791e2164e00906e870e12bf2608 : SUCCESS in 28m 02s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/36705720382d42b6b41a5be03958c458 : SUCCESS in 13m 16s