code: def assertAlmostEqual(self, x, y):
      super(TestCase, self).assertAlmostEqual(x, y, 3)
  
imports: import unittest
  import random
  import os
  from n2 import HnswIndex
label_desc: Use image node_id 1 for calling the TestCase obj's underlying member method code with example usage: obj.assertAlmostEqual(x, y) without return types