Build failed. https://zuul.opendev.org/t/openstack/buildset/27d8939153454219afe5143686e46fbc - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/de32321c6fdd426cb3657e2a6bbc26a8 : FAILURE in 3m 00s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/7a27c7e82bad4f3cad58774a67270bcb : SUCCESS in 4m 38s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/4f094a66fe1b4e41bf00c5403a286521 : SUCCESS in 3m 23s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/6058c15faf1943c2b35ff92ed398c40d : SUCCESS in 3m 39s