Replace 'id' with 'pk'. Fixes ietf-tools#570

 - Legacy-Id: 2750

Author: emiliosanchez

workflows/models.py

@@ -125,7 +125,7 @@ def set_to_object(self, obj):
 
         ctype = ContentType.objects.get_for_model(obj)
         try:
-            wor = WorkflowObjectRelation.objects.get(content_type=ctype, content_id=obj.id)
+            wor = WorkflowObjectRelation.objects.get(content_type=ctype, content_id=obj.pk)
         except WorkflowObjectRelation.DoesNotExist:
             WorkflowObjectRelation.objects.create(content = obj, workflow=self)
             workflows.utils.set_state(obj, self.initial_state)
@@ -354,4 +354,4 @@ class StatePermissionRelation(models.Model):
     role = models.ForeignKey(Role, verbose_name=_(u"Role"))
 
     def __unicode__(self):
-        return "%s %s %s" % (self.state.name, self.role.name, self.permission.name)
+        return "%s %s %s" % (self.state.name, self.role.name, self.permission.name)