code: def north_arrow(self, north_arrow_path):
          
          if isinstance(north_arrow_path, str) and os.path.exists(
                  north_arrow_path):
              self._north_arrow = north_arrow_path
          else:
              self._north_arrow = default_north_arrow_path()
docs: Set image that will be used as north arrow in reports.
  
          :param north_arrow_path: Path to the north arrow image.
          :type north_arrow_path: str