Build failed. https://zuul.opendev.org/t/openstack/buildset/38f43a0033614c5e92b7b57ed7373871 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/7027c467370540edb9047d353c8275ee : SUCCESS in 5m 01s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/7f84f340783c4a549f0e171b3fcf340a : FAILURE in 4m 39s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/bae7b590108e4d5ea8938c0d384d0c53 : SUCCESS in 4m 05s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/90a8c7a16610427dbe76c443065bf2a8 : SUCCESS in 6m 15s