File "/home/novalis/mq/pebble-pylons/lib/python2.4/Routes-1.6.3-py2.5.egg/routes/util.py", line 20, in _screenargs
    if config.mapper.explicit and config.mapper.sub_domains:
  File "/home/novalis/mq/pebble-pylons/lib/python2.4/Routes-1.6.3-py2.5.egg/routes/__init__.py", line 14, in __getattr__
    return getattr(self.__shared_state, name)
AttributeError: 'thread._local' object has no attribute 'mapper