Build failed. https://zuul.opendev.org/t/openstack/buildset/40812dae724542149c5547f5cc69218d - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/2d77bac8cb61497590e9b984b4d46c89 : SUCCESS in 7m 12s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/3aa7a205689648f7b68d00932c57a142 : FAILURE in 5m 45s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/b5a5bbd6716c42d3a529a418d6b87450 : SUCCESS in 6m 56s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/c9455a3fbc6940928ac4a9a41025cbd5 : SUCCESS in 7m 09s