Can't convert 'Name' object to str implicitly
Request Method: POST
Request URL:    http://127.0.0.1:8000/admin/display/nation/add/
Django Version: 1.6.2
Exception Type: TypeError
Exception Value:    Can't convert 'Name' object to str implicitly
Exception Location: models.py in __unicode__, line 24

class Name(models.Model):
    def __unicode__(self):
        return 'Name: ' + self.name
    id = models.AutoField(primary_key=True)
    name = models.CharField(max_length=32)
    class Meta:
        db_table = 'name'

class Nation(models.Model):
    def __unicode__(self):
        return 'Nation: ' + self.name
    id = models.AutoField(primary_key=True)
    name = models.ForeignKey(Name)
    flag_path = models.CharField(max_length=64)
    class Meta:
        db_table = 'nation'

u'Name: ' + self.name

u'Nation: ' + self.name