Build failed. https://zuul.opendev.org/t/openstack/buildset/e767f7042f4740668628fbde23070c80 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/2b608f41d3af4c29aba25806df829469 : SUCCESS in 4m 36s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/921bb768f91a427489ede933fde66f30 : SUCCESS in 3m 45s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/507d16e9fc034edba635d822b8e5c2d6 : SUCCESS in 3m 44s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/6b4396668ded4d1fb1ab11df048af98d : FAILURE in 3m 17s