Build failed. https://zuul.opendev.org/t/openstack/buildset/d29c26a7e00a4f1e9ca1f10cf60e018c - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/ecb6a8e5c0cf4d9e994c6565450c22ec : SUCCESS in 4m 28s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/a3567cdf153f4e608ec8777f3f5d1581 : FAILURE in 5m 14s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/69c3c58ca66b40829ca40f602a73444a : SUCCESS in 4m 00s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/b7eb2e75eda8400591ecf55028296bba : SUCCESS in 4m 19s