cloudkitty-processor won't start

Process Process-25:
Traceback (most recent call last):
  File "/usr/lib64/python2.7/multiprocessing/process.py", line 258, in _bootstrap
    self.run()
  File "/usr/lib64/python2.7/multiprocessing/process.py", line 114, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/lib/python2.7/site-packages/cotyledon/_utils.py", line 52, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/lib/python2.7/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/lib/python2.7/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/usr/lib/python2.7/site-packages/cloudkitty/orchestrator.py", line 341, in __init__
    invoke_on_load=True,
  File "/usr/lib/python2.7/site-packages/stevedore/driver.py", line 61, in __init__
    warn_on_missing_entrypoint=warn_on_missing_entrypoint
  File "/usr/lib/python2.7/site-packages/stevedore/named.py", line 81, in __init__
    verify_requirements)
  File "/usr/lib/python2.7/site-packages/stevedore/extension.py", line 203, in _load_plugins
    self._on_load_failure_callback(self, ep, err)
  File "/usr/lib/python2.7/site-packages/stevedore/extension.py", line 195, in _load_plugins
    verify_requirements,
  File "/usr/lib/python2.7/site-packages/stevedore/named.py", line 158, in _load_one_plugin
    verify_requirements,
  File "/usr/lib/python2.7/site-packages/stevedore/extension.py", line 227, in _load_one_plugin
    obj = plugin(*invoke_args, **invoke_kwds)
  File "/usr/lib/python2.7/site-packages/cloudkitty/fetcher/keystone.py", line 59, in __init__
    auth_url=self.auth.auth_url)
AttributeError: 'NoneType' object has no attribute 'auth_url'