Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/b469d8254d9d4f21b70bd116aa4cd14e : SUCCESS in 5m 46s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/86fe8dd937bb4ca7a85cce49906a7147 : FAILURE in 4m 44s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/f6924e0a339d415c8466fa94422eb889 : SUCCESS in 3m 37s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/12b2384b460a4978bd61cca3723eabd2 : SUCCESS in 3m 39s