Build failed. https://zuul.opendev.org/t/openstack/buildset/2f5f82c3e7934c0aa1437d2e2c4a8f56 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/d4f960d254c34c9ca9c91aa2c6cbf690 : SUCCESS in 3m 02s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/20892d7f45374a7ba0fd80f970b4fcdc : FAILURE in 3m 22s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/055dcffa2fb2423eb50d4f7b447dc4bd : SUCCESS in 2m 28s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/a7e7d38e33314926b7a815bf5513883a : FAILURE in 3m 14s