Build failed. https://zuul.opendev.org/t/openstack/buildset/a8e029118a914937ab8e00f465806eb9 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/4b6f0ec13a154f26a5388be4d300bb9b : SUCCESS in 2m 51s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/775c3401655446e7805628362055c764 : SUCCESS in 3m 31s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/2a109cf597cb4daba4fcc6252da9c266 : SUCCESS in 2m 40s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/72bd41b9844341e8b2f1cd247938572f : FAILURE in 3m 05s