Build failed. https://zuul.opendev.org/t/openstack/buildset/01da68621d7042c1a3d93945bb0763f7 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/775c82eddbaf4f84868f279dbd324498 : SUCCESS in 3m 08s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/250b2d1956d94211a971691dc2bdee02 : FAILURE in 3m 27s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/bcc4b8a08e1d49d6a9df953b4fab6256 : SUCCESS in 3m 03s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/b8d02b28c1c7433faf804ded09eb4dbe : SUCCESS in 4m 25s