Build failed. https://zuul.opendev.org/t/openstack/buildset/3d828f425c8c409f88a4ddef72ff2d25 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/ed3e3f5062b44ac6a144c108bd34c731 : SUCCESS in 8m 24s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/5a1abbbca7664173a78e7a45cee6be0b : FAILURE in 3m 30s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/bfb1659d747f4f09890a4dabcadfdcad : SUCCESS in 20m 35s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/4aace267e6184da5a98cff15b7ec446a : SUCCESS in 21m 34s