Build failed. https://zuul.opendev.org/t/openstack/buildset/4b7ef26709a94ce4b6a479bbbf18d6d9 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/777636f87e684d1cb7f75c9c7ad06488 : SUCCESS in 3m 37s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/467bdf3693ad43dc9117b9ca412768b4 : FAILURE in 2m 59s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/3410c6afea634764a025b1f767405848 : SUCCESS in 6m 52s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/e9fcce00f8cb4527b56f5ac23255cc1a : SUCCESS in 4m 18s