Build failed. https://zuul.opendev.org/t/openstack/buildset/6a6fd162c468463da8db063429da7f50 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/81172005da50439d93e737b454c66246 : SUCCESS in 3m 56s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/d93d4647139c423280f6b9b1bc22d32b : FAILURE in 3m 36s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/15e3c15e13ca4b77a434b5a04d41099b : SUCCESS in 3m 29s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/b60eed9104714ab0b4d204abc47cf05c : FAILURE in 6m 33s