Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/8f7cf1aaa16449a088f02b2158d5b9b5 : SUCCESS in 6m 15s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/2b0926629c8d4fc785a77b735f5a4901 : FAILURE in 5m 32s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/9a2e90a2a932424eb3dd3eb7e683adc8 : SUCCESS in 6m 21s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/97a8b032c023447fa18e32bf68968747 : SUCCESS in 6m 51s