Build failed. https://zuul.opendev.org/t/openstack/buildset/b827ca66b2234422a1bc4f21ad59b492 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/2127c5af25e649948a9cab38268121a3 : SUCCESS in 3m 02s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/783ad4f0f22e40c585efd83e60430cff : SUCCESS in 2m 59s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/a1fcf1dbd2de48018e05acfa03edaf05 : SUCCESS in 3m 01s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/2e5b196bcb264566b864d22328d14484 : FAILURE in 2m 36s