Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/1c6312c853b54229b64144a22b9acbba : SUCCESS in 8m 19s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/7d83fea8d32b4d15b5459b8aa2dd6009 : FAILURE in 4m 01s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/08bc975b8519488ca4eaf193bf0af9d4 : SUCCESS in 6m 40s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/ff3b3e82f20c49eea92a92c413299ced : SUCCESS in 7m 42s