Django UnicodeDecodeError in save Model

Question

error:

UnicodeDecodeError at /admin/tree/personrol/add/
'ascii' codec can't decode byte 0xd8 in position 1: ordinal not in range(128)

in model:

from django.db import models
class Person(models.Model):
 class Meta:
 verbose_name = u'فرد'
 verbose_name_plural = u'افراد'
 name = models.CharField(max_length=100, verbose_name=u'نام فرد')
 def `__unicode__`(self):
 return self.name
class Rol(models.Model):
 class Meta:
 verbose_name = u'نقش'
 verbose_name_plural = u'نقش ها'
 name = models.CharField(max_length=100, verbose_name=u'نام نقش')
 def `__unicode__`(self):
 return self.name
class PersonRol(models.Model):
 class Meta:
 verbose_name = u'نقش فرد'
 verbose_name_plural = u'نقش افراد'
 person = models.ForeignKey('Person', related_name='person_roles', verbose_name=u'فرد')
 rol = models.ForeignKey('Rol', related_name='person_roles', verbose_name=u'نقش')
 def `__unicode__`(self):
 return '(%s , %s)' % (self.person, self.rol)

• Thomas Orozco: Please post the full traceback.
• Odif Yltsaeb: You also dont show which model or data you are saving.

Answer 1

Try

return u'(%s , %s)' % (self.person, self.rol)