Build failed. https://zuul.opendev.org/t/openstack/buildset/14742d75cd2649d881c5a7a275336f1f - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/9fd3e8a046354c1280242730726a5a16 : SUCCESS in 3m 59s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/b33cf7e1cc3e4581ae668f9547873fd1 : FAILURE in 3m 19s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/c929e8b7f69c4ea98880fafd4ac85447 : SUCCESS in 3m 33s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/592183c1f3cd4dd696e8b5af7cde6a33 : SUCCESS in 3m 22s