def __unicode__(self):
attrs = ("<STR_LIT>".format(k=k, v=getattr(self, k))<EOL>for k in self._attributes<EOL>if getattr(self, k, None) is not None)<EOL>return "<STR_LIT>".format(klass=self._window_type,<EOL>attrs='<STR_LIT:U+002C>'.join(attrs))<EOL>
Provide a nice str repr of our rolling object.