Build failed. https://zuul.opendev.org/t/openstack/buildset/18012d202f0447c8bca2ae7f308bac89 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/b768a440c89d45f98a5211bcb8c75fed : SUCCESS in 3m 04s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/db14d0cbb4d94215808be64e6e86c019 : FAILURE in 3m 15s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/28627ac2de894d54ab92c372275d83db : SUCCESS in 2m 56s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/a06e5b1b4e9246348950db512e265d37 : FAILURE in 2m 47s