Build failed. https://zuul.opendev.org/t/openstack/buildset/f7892d3b96bc44358f95394b362f18d6 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/4112a095c7184416bf9030499bc03a25 : SUCCESS in 2m 56s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/258b1cde08ff4f248af8298b267f3def : FAILURE in 3m 13s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/14a67bf19a614442a0bbe11f0beba698 : SUCCESS in 3m 02s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/25b5dab597c34ec79e5d6460bf0e5eca : FAILURE in 2m 44s