Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/0711760783c64d9f931d775cc1389424 : SUCCESS in 6m 17s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/9f7875576e784197a3fce9f1191ebf8b : SUCCESS in 5m 14s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/58489c2652694e7dbd3b28519aa804d3 : FAILURE in 3m 36s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/f36ce87e6e494e69be5a8e3fb09f6b80 : FAILURE in 4m 11s