code: def test_perspective_order_points(points):
      points = np.array(points)
      res = A.Perspective._order_points(points)
      assert len(points) == len(np.unique(res, axis=0))
  
imports: import random
  from typing import Dict, Tuple, Type
  import cv2
  import numpy
  import pytest
  import albumentations
  from .utils import get_dual_transforms, get_image_only_transforms, get_transforms
label_desc: Use image node_id 17 for calling a global function with example usage: test_perspective_order_points(points) without return types