Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/9386399d87eb422793b82cee9d2f939e : SUCCESS in 5m 10s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/697ff542f41542219af23e6374dd8750 : FAILURE in 4m 13s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/caa9ebd951ce442492b2b08679088dc8 : SUCCESS in 5m 08s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/bf91dfcb3d9f4120a7f0d6a7c5d7285f : SUCCESS in 8m 12s