Build failed. https://zuul.opendev.org/t/openstack/buildset/3b6f39c370c54c2588f3fdf891016db0 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/9c08d57f489e4d8d87c56786c73f7d11 : SUCCESS in 3m 46s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/2525b1a67f8f45cf88e07edf4f61d3f4 : FAILURE in 3m 02s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/7e3d03c79f9e4e0c9ff28b44da8bb453 : SUCCESS in 3m 32s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/1454a55f8f5240b983f5a12b2825117d : SUCCESS in 3m 33s