Build failed. https://zuul.opendev.org/t/openstack/buildset/2ae50c88148f4e4688243d7caf5f08b1 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/d8bc007aea9f45b3ba81ea102d292333 : SUCCESS in 3m 01s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/46690874c81042a78a9af560c349b279 : FAILURE in 3m 00s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/d8eb7c5cdab440b4bc603a6e9c3c0ae4 : SUCCESS in 3m 33s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/8e37b79813f349baaca281b2b737a8ab : FAILURE in 3m 16s