class Model(object):
    def __str__(self):
        if hasattr(self, '__unicode__'):
            return unicode(self)
        else:
            return '%s object' % self.__class__.__name__

class Poll(Model):
    pass

class Test1:
    def __init__(self, val):
        self.val = val

    def __unicode__(self):
        return self.val

if __name__ == "__main__":
    p = Poll()
    print p

    print unicode(Test1('test'))
    print Test1('test')