Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/e483059c2db9411cb325c603325767b5 : SUCCESS in 3m 58s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/07641037d33549078b42b92700ee1cf1 : FAILURE in 4m 02s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/1bce362221c84194938a2ded44fef12c : SUCCESS in 3m 49s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/caa73f7c4866482d88bb931b2bcc096e : SUCCESS in 4m 16s