Build failed. https://zuul.opendev.org/t/openstack/buildset/1f477a2647fd489a8933a5655096daf6 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/866b5f0d2b67489e956c4212ee2593c7 : SUCCESS in 2m 59s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/81531d255ed8480c853b61e1696633c1 : SUCCESS in 3m 10s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/97dfdedfdc8344b7b31210c36c83fe41 : FAILURE in 2m 55s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/d7dce48e3f7c4ae587f09f34ffba6c68 : FAILURE in 2m 58s