code: def test_get_relative_position_index(self):
      out = get_relative_position_index(win_h=24, win_w=24)
      self.assertEqual(out.shape, (576, 576))
  
file_path: towhee/tests/unittests/models/max_vit/test_max_vit_utils.py
imports: import unittest
  import torch
  from towhee.models.max_vit.max_vit_utils import grid_partition, window_partition, get_relative_position_index, window_reverse, grid_reverse
label_desc: Use image node_id 3 for calling the MaxVitUtilsTest obj's underlying member method code with example usage: obj.test_get_relative_position_index() without return types