notification system deployment - v2

apps/notification/models.py

@@ -29,7 +29,7 @@ class Notification(BaseModel):
     delivered = models.BooleanField(default=False)
 
     def __str__(self):
-        return f'{self.organization.name} - {self.title}'
+        return f'{self.organization.name if self.organization else self.id} - {self.title}'
 
     def save(self, *args, **kwargs):
         return super(Notification, self).save(*args, **kwargs)