Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/9804679b9938448abba029cf3356e230 : SUCCESS in 5m 07s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/b6c3f0d5d6304649b7032b28cd19f7b7 : FAILURE in 4m 54s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/f17a79b211fc46529c4e2dc89a1614a7 : SUCCESS in 6m 40s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/cd65a118b68148b6b0a2b1bceb998034 : SUCCESS in 5m 41s