code: def copy(self, exterior=None, label=None):
          
          return self.deepcopy(exterior=exterior, label=label)
docs: Create a shallow copy of the Polygon object.
  
          Parameters
          ----------
          exterior : list of imgaug.Keypoint or list of tuple or (N,2) ndarray, optional
              List of points defining the polygon. See :func:`imgaug.Polygon.__init__` for details.
  
          label : None or str, optional
              If not None, then the label of the copied object will be set to this value.
  
          Returns
          -------
          imgaug.Polygon
              Shallow copy.