Build failed. https://zuul.opendev.org/t/openstack/buildset/2b55032dbe544267aba04809cc359f68 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/b518eb11776845c685093cfd9bdc4f24 : SUCCESS in 4m 04s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/a65b75f334c4415db9ea89a69e1de596 : FAILURE in 2m 47s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/a6ca7bd0a11c4e469e2b0ec712331f5a : SUCCESS in 3m 16s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/480a68ae40774c5c9f4a3bbcbb5916d2 : SUCCESS in 3m 57s