Build failed. https://zuul.opendev.org/t/openstack/buildset/f4769b422d164aeabaa8cbd82df6f25d - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/fefc71e84e5549728a728b928e9664e5 : SUCCESS in 3m 10s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/004958302b1b4ee3b0454f808f742b4b : FAILURE in 2m 52s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/5bb94f28b2954f78a0fc4c14e9e021ee : SUCCESS in 3m 15s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/65d163784ea34ccdb3c50d2c0aae3562 : FAILURE in 2m 52s