Build failed. https://zuul.opendev.org/t/openstack/buildset/25c9d644e0ae4f9fa6540715e29c9707 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/0a052fa067b048d6a983ad50b32beef1 : SUCCESS in 4m 49s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/5bf483f811cd4f22977ba773c8293b35 : FAILURE in 4m 02s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/a8f2fdd4d32e41d486349d84361f38f9 : SUCCESS in 3m 48s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/4d28448ba52e472f89dd2455aa332a22 : SUCCESS in 3m 28s