docs: def get_model(self):
          """
          Fetch the instance of the connected model referenced by this log record.
  
          Returns:
              The connected instance, or ``None`` if it does not exists.
  
          """
          model_cls = get_connected_model_for_table_name(self.table_name)
          return model_cls._default_manager.filter(id=self.record_id).first()