Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/dee1233a56ea428ebc259b3f252770c5 : SUCCESS in 3m 45s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/1119c00fb593414a8eb466252f5af457 : FAILURE in 4m 41s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/19737b4cb4da440eb5acc74466485522 : SUCCESS in 4m 41s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/a881a54d01b44f6eb475bffcbdb6e822 : SUCCESS in 4m 48s