Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/d16a079e7cd84f7f8415205906a9e5a4 : SUCCESS in 5m 44s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/ed53113330c34bde886baf2706b78151 : FAILURE in 4m 01s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/092ed83251d34f20a353a4f7bb816019 : SUCCESS in 5m 44s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/4cc8c25d45244f05aea4ece60c3739bf : SUCCESS in 5m 36s