Build failed. https://zuul.opendev.org/t/openstack/buildset/a96bebbbd6254765a26ad71307211caf - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/9856c5579641429b80db31099b126bb4 : SUCCESS in 3m 02s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/7e2b8727dc794b218bf6a2095e2eb69c : FAILURE in 2m 42s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/af68a01bbf064995a4464e9ce981c385 : SUCCESS in 3m 35s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/4ee5aa3d762d4276b73e946572ed7871 : SUCCESS in 4m 15s