class Category(models.Model):
    name = models.CharField(_('name'), maxlength=255)
    slug = models.SlugField(_('slug'), prepopulate_from=('name',), help_text=_("slug is used in URLs.  You should use the default if possible.")

    class Admin:
        fields = ( (None, {'fields': ('name', 'slug')}), )

    class Meta:
        verbose_name = _('category')
        verbose_name_plural = _('categories')

    def __repr__(self):
        return self.name

    def __str__(self):
        return str(self.name)