Build failed. https://zuul.opendev.org/t/openstack/buildset/8e5fe1383aea4bb09837fb56d2eaad8f - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/4698445fa3a54a15ad882ac9df83ae70 : SUCCESS in 3m 06s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/ca50eff6bfe74556bb6d056d75d9748e : FAILURE in 2m 39s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/8759eb3bb322457fb5c14c6a9b27283a : SUCCESS in 3m 02s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/7446f2866aa34882bfe86115959ccad4 : FAILURE in 4m 16s