Build failed. https://zuul.opendev.org/t/openstack/buildset/ea5090de8680417fbc327cdc44716f27 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/9176cb9e22464ad09b652f20e9c2e088 : SUCCESS in 4m 11s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/8f075f31b2ad4c98aac53f83e06c7bf0 : SUCCESS in 3m 16s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/2c3cadf43b2f4d52b4b71058c9b87948 : SUCCESS in 3m 05s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/2aeff5232d004388b174a451de2e0d90 : FAILURE in 3m 31s