Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/c60c28729e4c4214aca753b8fda58e40 : SUCCESS in 4m 13s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/5c6ead5c1df94b339de636e7e8901f5c : FAILURE in 3m 16s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/e5a7d9264dcd4cd1aa889ee0f286dc40 : SUCCESS in 4m 30s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/1cf5a6d6ed104270aee7753a455319d3 : SUCCESS in 5m 03s