Build failed. https://zuul.opendev.org/t/openstack/buildset/43f641f55292413f86255a723946c4e9 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/16f861ea08224153bfffa7014242f4ae : SUCCESS in 4m 36s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/b6d2781297f44104b7905bbd0a22491a : FAILURE in 3m 08s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/0733809c4b4942e19044c6f927ac172b : SUCCESS in 3m 55s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/e6eb2845c43f42c9880e532599d0b517 : SUCCESS in 3m 50s