code: def to_xy_arrays(self, dtype=np.float32):
          
          from .. import dtypes as iadt
          return [iadt.restore_dtypes_(np.copy(ls.coords), dtype)
                  for ls in self.line_strings]
docs: Convert this object to an iterable of ``(M,2)`` arrays of points.
  
          This is the inverse of
          :func:`imgaug.augmentables.lines.LineStringsOnImage.from_xy_array`.
  
          Parameters
          ----------
          dtype : numpy.dtype, optional
              Desired output datatype of the ndarray.
  
          Returns
          -------
          list of ndarray
              The arrays of point coordinates, each given as ``(M,2)``.