Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/df0efae8c3c24bf482f7a14824b8a6a4 : FAILURE in 7m 16s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/a0166553c5b24cd1aadd84b90a0c341f : FAILURE in 5m 19s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/7734c23bd60442baa00b01bcce311b36 : FAILURE in 7m 42s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/a6f5499d1c2041f0a74deb1ad6456832 : FAILURE in 5m 36s