how do I fix this?
class Vm_licenses(models.Model): vm_license_id = models.BigIntegerField(primary_key = True, editable = False, db_column = 'vm_license_id') license= models.ForeignKey(License, on_delete = models.PROTECT) vm= models.ForeignKey(Vm, on_delete = models.PROTECT) class Meta: managed = False db_table = 'vm_licenses' def __unicode__(self): # Python 3: def __str__(self): return self.vm_id Request Method:GETRequest URL: http://127.0.0.1:8000/admin/portal/vm_licenses/Django Version:1.6.5Exception Type:AttributeErrorException Value: 'int' object has no attribute 'encode' Exception Location:/usr/local/lib/python2.7/dist-packages/django/db/models/base.py in __str__, line 430Python Executable:/usr/bin/pythonPython Version:2.7.5 -- You received this message because you are subscribed to the Google Groups "Django users" group. To unsubscribe from this group and stop receiving emails from it, send an email to django-users+unsubscr...@googlegroups.com. To post to this group, send email to django-users@googlegroups.com. Visit this group at http://groups.google.com/group/django-users. To view this discussion on the web visit https://groups.google.com/d/msgid/django-users/06de81a6-131a-4e6e-9f24-c370cdd14076%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.