Build failed. https://zuul.opendev.org/t/openstack/buildset/733d0b27b32946189d402c9f5e0e92df - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/608889b2aa7d418cb6a4d61547fca0d5 : FAILURE in 5m 38s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/a9c8c1abd26345528a6787c43c6c748c : FAILURE in 5m 13s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/712311ede8ee4db8971800af923dae8b : FAILURE in 4m 54s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/4dd836466a1b4402afa335f2b9d5976e : FAILURE in 6m 10s