code: def nonraw_instance(receiver):
      
      @wraps(receiver)
      def wrapper(sender, instance, raw, using, **kwargs):
          if raw:
              instance = sender._default_manager.using(using).get(pk=instance.pk)
          return receiver(sender=sender, raw=raw, instance=instance, using=using,
                          **kwargs)
      return wrapper
docs: A signal receiver decorator that fetch the complete instance from db when
      it's passed as raw