Traceback (most recent call last):
  File "/usr/local/bin/novatools", line 9, in <module>
    load_entry_point('python-novatools==2.0', 'console_scripts', 'novatools')()
  File "/usr/local/lib/python2.6/dist-packages/novatools/shell.py", line 607, in main
    OpenStackShell().main(sys.argv[1:])
  File "/usr/local/lib/python2.6/dist-packages/novatools/shell.py", line 140, in main
    self.cs.authenticate()
  File "/usr/local/lib/python2.6/dist-packages/novatools/__init__.py", line 64, in authenticate
    self.client.authenticate()
  File "/usr/local/lib/python2.6/dist-packages/novatools/client.py", line 97, in authenticate
    resp, body = self.request(self.auth_url, 'GET', headers=headers)
  File "/usr/local/lib/python2.6/dist-packages/novatools/client.py", line 57, in request
    raise exceptions.from_response(resp, body)
novatools.exceptions.OpenStackException: No user for access key xen.org (HTTP 500)