2017-06-06 15:16:31.976 | ++/opt/stack/zun/devstack/lib/zun:init_zun:302  /usr/local/bin/zun-db-manage upgrade
2017-06-06 15:16:32.359 | Traceback (most recent call last):
2017-06-06 15:16:32.359 |   File "/usr/local/bin/zun-db-manage", line 6, in <module>
2017-06-06 15:16:32.360 |     from zun.cmd.db_manage import main
2017-06-06 15:16:32.360 |   File "/opt/stack/zun/zun/cmd/db_manage.py", line 18, in <module>
2017-06-06 15:16:32.360 |     from zun.db import migration
2017-06-06 15:16:32.360 |   File "/opt/stack/zun/zun/db/__init__.py", line 17, in <module>
2017-06-06 15:16:32.360 |     from zun.common import paths
2017-06-06 15:16:32.360 |   File "/opt/stack/zun/zun/common/paths.py", line 15, in <module>
2017-06-06 15:16:32.360 |     import zun.conf
2017-06-06 15:16:32.360 |   File "/opt/stack/zun/zun/conf/__init__.py", line 32, in <module>
2017-06-06 15:16:32.361 |     from zun.conf import websocket_proxy
2017-06-06 15:16:32.361 |   File "/opt/stack/zun/zun/conf/websocket_proxy.py", line 25, in <module>
2017-06-06 15:16:32.361 |     cfg.URIOpt('base_url',
2017-06-06 15:16:32.361 | AttributeError: 'module' object has no attribute 'URIOpt'