Build failed. https://zuul.opendev.org/t/openstack/buildset/8c3a753ce2e446e2a9d2ac45040bf952 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/55017ee016d14c22b38e450e47a206eb : FAILURE in 3m 13s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/ba3919c6fab94ad3b8c59397f95da386 : SUCCESS in 3m 56s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/1b44f2a8c31740e59c386ec137235776 : FAILURE in 3m 20s