Build failed. https://zuul.opendev.org/t/openstack/buildset/b77ecb53d6a44422bff669269ac7abc3 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/f5f4eb644c244d4abb7a327dd8ec23e3 : SUCCESS in 4m 17s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/ba29a153837e4b28b022a4f4a9acc989 : SUCCESS in 4m 17s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/c3d85a85645640d28b8eadc3dc1b99c0 : SUCCESS in 3m 56s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/f8b2c0256de249f7918f3dd028cef80e : FAILURE in 4m 05s