## Error

ERROR    2009-04-15 18:22:14,284 __init__.py] type object 'RoomFavorite' has no attribute 'kind'
Traceback (most recent call last):
  File "/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine-default.bundle/Contents/Resources/google_appengine/google/appengine/ext/webapp/__init__.py", line 498, in __call__
    handler.get(*groups)
  File "/Users/bvelasquez/Documents/workspace/tahelpya/trunk/tapingya/src/main.py", line 485, in get
    favorites = favorite_query.fetch(1000)
  File "/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine-default.bundle/Contents/Resources/google_appengine/google/appengine/ext/db/__init__.py", line 1390, in fetch
    raw = self._get_query().Get(limit, offset)
  File "/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine-default.bundle/Contents/Resources/google_appengine/google/appengine/ext/db/__init__.py", line 1548, in _get_query
    query = _query_class(self._model_class.kind(), query_set)
AttributeError: type object 'RoomFavorite' has no attribute 'kind'

## Model

# Defines a favorite room for a user.
class RoomFavorite(db.Model):
	room = db.ReferenceProperty(Room)
	owner = db.UserProperty()
	receive_email = db.BooleanProperty(default=False)

## GAE Handler

class RoomsFavorites(webapp.RequestHandler):
	def get(self):
		count = int(self.request.get('count', default_value=1000))
		user = users.get_current_user()
		logging.info("favorites : nickname is %s" % user.nickname())
		if user:
			favorite_query = db.Query(RoomFavorite)
			favorite_query.filter('owner =', user)
			favorites = favorite_query.fetch(1000)

			room_result = []

			handle_helper = HandleHelper()
			presence_helper = PresenceHelperMemory()

			for f in favorites:
				has_password = False
				if f.room.password:
					has_password = True

				item = {
						'key' : str(f.room.key()),
						'id' : str(f.room.key().id()),
						'name' : unicode(f.room.name),
						'createdon' : str(f.room.createdon),
						'owner' : handle_helper.get_handle_name(f.room.owner),
						'has_password' : has_password,
						'user_count' : presence_helper.users_in_room_count(f.room)
						}

				room_result.append(item)

			final = { 'rooms' : room_result }

			expires_date = datetime.datetime.utcnow() - datetime.timedelta(1)
			expires_str = expires_date.strftime("%d %b %Y %H:%M:%S GMT")

			self.response.headers.add_header("Expires", expires_str)
			self.response.headers.add_header("Last-Modified", expires_str)
			self.response.out.write(json.write(final))