def startReceivingBoxes(self, sender):
self._sender = sender<EOL>for routeName, route in self._unstarted.iteritems():<EOL><INDENT>if route.remoteRouteName is not _unspecified:<EOL><INDENT>route.start()<EOL><DEDENT><DEDENT>self._routes = self._unstarted<EOL>self._unstarted = None<EOL>
Initialize route tracking objects.