Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/7e778568d4e34b2c891b65b237241bb6 : SUCCESS in 12m 19s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/84b10ec5fbba469ab00b980aba2fc023 : SUCCESS in 10m 15s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/fcb7150e2f8b4ae4886b764fab78a117 : FAILURE in 3m 53s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/5086cf97675841928cacec464b934e4d : FAILURE in 4m 48s