Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/44a8dd01578a47439feae40d1705feec : SUCCESS in 7m 11s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/eedc8a88087e4e06a3bca4783313a02d : SUCCESS in 5m 49s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/18e0dcf140b849f3b56402800292a070 : FAILURE in 4m 07s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/6493d0c9b3b94c179ef23983c4d028dd : FAILURE in 4m 07s