Build failed. https://zuul.opendev.org/t/openstack/buildset/40f7cef2912341cbafc8784ea20d03c8 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/57c8fbc6768c4ff7a59eeac5eacba732 : SUCCESS in 3m 03s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/7f1fd21a53a94444967ca4251f47ad6d : SUCCESS in 2m 46s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/5364ff77dc9644dc97a33190b92aea6e : SUCCESS in 2m 50s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/e87b20ed35184e54afd9c8224bad8f32 : FAILURE in 2m 47s