Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/d92e52ba22244eeb91f7ff5bb9e0ca88 : SUCCESS in 7m 24s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/962af865c092416a87c6bc8678e921b8 : FAILURE in 6m 56s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/99b2287aa8ed48af8bf435e84c899070 : SUCCESS in 7m 16s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/3381980221b0417cb976599a59fff626 : SUCCESS in 6m 41s