Build failed. https://zuul.opendev.org/t/openstack/buildset/cae7b0c66bf744ca9ee89cb1ca7c0276 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/da55bf9fe7154bbaa6c2717dbb422de0 : SUCCESS in 2m 55s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/512ffd6146bf4024b94d65da2b0745fd : FAILURE in 2m 48s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/3d58ceef57d64a0880843e48ee645715 : SUCCESS in 2m 45s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/3aa7da18f4c149d3803d7cfe157bc601 : FAILURE in 2m 45s