freezer-scheduler client-list returns unicode encode error

In debian, I am trying to use freezer-scheduler locally with keystone authentication. In that

 freezer-scheduler client-list returns in following error

2016-03-07 11:34:10.607 18569 CRITICAL freezer-scheduler [-] UnicodeEncodeError: 'ascii' codec can't encode character u'\u201d' in position 39: ordinal not in range(128)
2016-03-07 11:34:10.607 18569 ERROR freezer-scheduler Traceback (most recent call last):
2016-03-07 11:34:10.607 18569 ERROR freezer-scheduler File "/usr/local/bin/freezer-scheduler", line 10, in <module>
2016-03-07 11:34:10.607 18569 ERROR freezer-scheduler sys.exit(main())
2016-03-07 11:34:10.607 18569 ERROR freezer-scheduler File "/usr/local/lib/python2.7/dist-packages/freezer/scheduler/freezer_scheduler.py", line 215, in main
2016-03-07 11:34:10.607 18569 ERROR freezer-scheduler LOG.error(e)
2016-03-07 11:34:10.607 18569 ERROR freezer-scheduler File "/usr/lib/python2.7/logging/__init__.py", line 1456, in error
2016-03-07 11:34:10.607 18569 ERROR freezer-scheduler msg, kwargs = self.process(msg, kwargs)
2016-03-07 11:34:10.607 18569 ERROR freezer-scheduler File "/usr/local/lib/python2.7/dist-packages/oslo_log/log.py", line 129, in process
2016-03-07 11:34:10.607 18569 ERROR freezer-scheduler msg = _ensure_unicode(msg)
2016-03-07 11:34:10.607 18569 ERROR freezer-scheduler File "/usr/local/lib/python2.7/dist-packages/oslo_log/log.py", line 106, in _ensure_unicode
2016-03-07 11:34:10.607 18569 ERROR freezer-scheduler msg = six.text_type(msg)
2016-03-07 11:34:10.607 18569 ERROR freezer-scheduler UnicodeEncodeError: 'ascii' codec can't encode character u'\u201d' in position 39: ordinal not in range(128)
2016-03-07 11:34:10.607 18569 ERROR freezer-scheduler