Build failed. https://zuul.opendev.org/t/openstack/buildset/a6d25e0f03024ac8a02953c45d87220b - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/832535d45d9448f1a7b0ee253d60893b : SUCCESS in 2m 43s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/ac117ad5c87147299270cd23fe99a282 : SUCCESS in 3m 07s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/54d1f98b439547948dc8e96b2cd56917 : FAILURE in 2m 32s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/60e4a294201a4d7b84fc192c3de602e0 : FAILURE in 2m 39s