code: def test_point_center(self):
      # list
      self.assertTrue(
          np.array_equal(points_center(self.point_list), self.gt)
      )
      # array
      self.assertTrue(
          np.array_equal(points_center(self.point_nparray), self.gt)
      )
      # tensor
      self.assertTrue(
          np.array_equal(points_center(self.point_tensor), self.gt)
      )
      with self.assertRaises(AssertionError):
          points_center(self.incorrect_input)
  
file_path: mmocr/tests/test_utils/test_point_utils.py
imports: import unittest
  import numpy
  import torch
  from mmocr.utils import point_distance, points_center
label_desc: Use image node_id 2 for calling the TestPointCenter obj's underlying member method code with example usage: obj.test_point_center() without return types