Build failed. https://zuul.opendev.org/t/openstack/buildset/1b2272b0ff5a45ef9aee8d0445f311a2 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/fdd7c53e67ae401c9ed901b7d8ba2bb2 : FAILURE in 8m 07s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/d2ff7feaa7e54ca1a57e59bbf01007f0 : SUCCESS in 5m 19s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/f1f826b81cd0441784f7af4b1ce0dec0 : SUCCESS in 7m 28s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/de4499ca6ad24ac6a0bc11020b1839eb : SUCCESS in 7m 23s