Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/240edbd93b834a48807c0d3858eaaa68 : SUCCESS in 4m 13s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/d9cebfafcaf74106a4431f2eb3f3227b : FAILURE in 3m 38s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/604f26e695224944b3413ff48988d23d : SUCCESS in 4m 00s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/bd85b0b41a664d1d930a05ffed15df3a : SUCCESS in 4m 40s