Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/a44e13eac82c4d55a25919a40954bdc8 : SUCCESS in 7m 07s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/7a0ff43ec99b46daafcfc8cf0e434875 : FAILURE in 6m 38s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/542c479561574ea392598feee6700534 : SUCCESS in 10m 07s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/3eb9c25e860149d288605d43393a7bb8 : SUCCESS in 4m 31s