internal error running: blacklist

The gate-bandit-integration-sahara job is full of errors like the following:

[tester] ERROR Bandit internal error running: blacklist on file sahara/api/middleware/auth_valid.py at line 17: 'qualnames'Traceback (most recent call last):
2016-02-17 19:15:38.740 | File "/home/jenkins/workspace/gate-bandit-integration-sahara/openstack/sahara/.tox/bandit/local/lib/python2.7/site-packages/bandit/core/tester.py", line 62, in run_tests
2016-02-17 19:15:38.740 | result = test(context, test._config)
2016-02-17 19:15:38.740 | File "/home/jenkins/workspace/gate-bandit-integration-sahara/openstack/sahara/.tox/bandit/local/lib/python2.7/site-packages/bandit/core/blacklisting.py", line 69, in blacklist
2016-02-17 19:15:38.740 | for qn in check['qualnames']:
2016-02-17 19:15:38.740 | KeyError: 'qualnames'