Build failed. https://zuul.opendev.org/t/openstack/buildset/848dabfb2bdc4544a6047ad0bdea30b1 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/1eeb9e626b14460d863ea55384aa5b61 : SUCCESS in 3m 48s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/bdf36e5bf3df422dba3ef5731b7e1270 : FAILURE in 3m 09s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/a9a6ee25d5374a3c9c289c5e0c5f5a02 : SUCCESS in 3m 11s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/72cd0e84e51e494fb3e8fd3d1ebee33e : FAILURE in 3m 00s