Build failed. https://zuul.opendev.org/t/openstack/buildset/dcec77174ca541cb93c148047abee3b8 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/ac00e77cfed14c47b88eb9e25bb6d19f : SUCCESS in 2m 55s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/71583a23c5634dcc8b12a4e6d2401bb9 : FAILURE in 3m 06s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/199520e936fa468c820cc3f3cd192770 : SUCCESS in 2m 47s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/5f5bf565d06d4c29be610826747c178d : FAILURE in 2m 51s