Build failed. https://zuul.opendev.org/t/openstack/buildset/c6e7cd28792a40fa90bb8604e137493e - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/427c9847579a402eb73030f2785eecd8 : FAILURE in 7m 00s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/25920a27cdc0442d8242a3889d44fca0 : SUCCESS in 5m 12s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/cd6b6a4bcdf7418aa1ef0683acf82b84 : SUCCESS in 4m 57s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/ad5379b67ec9478689b9df46abddd292 : SUCCESS in 6m 10s