On Mon, Jul 20, 2009 at 8:30 PM, sjtirtha <[email protected]> wrote:
>
> class ContentAssoc(models.Model):
> object_a = models.PositiveIntegerField()
> type_a = models.ForeignKey(ContentType, related_name='type_a')
> object_b = models.PositiveIntegerField()
> type_b = models.ForeignKey(ContentType, related_name='type_b')
>
> class Meta:
> unique_together = ('object_a', 'type_a', 'object_b', 'type_b')
>
> def __unicode__(self):
> return self.type_a
>
The __unicode__ method expects a unicode value to be returned. Try: return
unicode(self.type_a)
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