The 'shapely.ops.transform()' function is deprecated. #69

PendingDeprecationWarning: Use `@` matmul instead of `*` mul operator for matrix multiplication
  return self.affine * Affine.translation(0.5, 0.5)

PendingDeprecationWarning: Use `@` matmul instead of `*` mul operator for matrix multiplication
  x_boundary, y_boundary = self.affine_center * (x_indices, y_indices)

DeprecationWarning: The 'shapely.ops.transform()' function is deprecated. Use 'shapely.transform()' or 'shapely.transform_coordseq()' instead. See https://shapely.readthedocs.io/en/latest/manual.html#shapely.ops.transform for more details.
  shapely.ops.transform(Transformer.from_crs(self.crs, crs, always_xy=True).transform, self.geometry),