Build failed. https://zuul.opendev.org/t/openstack/buildset/cb58e35980584a2591f34e7c53fa1fb4 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/a8c541ac3b8f4bf088554d1a0ebb9501 : SUCCESS in 3m 12s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/6addd379c61f4608a411df7679613a16 : SUCCESS in 2m 40s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/eefe800462424bc98686b69c555e6966 : SUCCESS in 2m 38s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/1f22a2086cf1446182b828822258461d : FAILURE in 2m 43s