Build failed. https://zuul.opendev.org/t/openstack/buildset/ee4225ac60c048a7a88ce6d401cfcc31 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/82c29e4a340e4427b181f6448fc09940 : SUCCESS in 5m 00s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/03713bde2cb34d99abdd7eaf831a348f : FAILURE in 3m 41s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/5c7e293ace0b45018c999be41654cb70 : SUCCESS in 4m 21s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/0fc52ba2e1b6497495d3a4695e23a01b : SUCCESS in 3m 56s