code: def test_input_types(self):
      self.do_test_input_types(0, 0)
  
imports: from __future__ import absolute_import, division, print_function, unicode_literals
  import unittest
  import numpy
  import faiss
  import random
  from common_faiss_tests import get_dataset_2
label_desc: Use image node_id 1 for calling the TestKnn obj's underlying member method code with example usage: obj.test_input_types() without return types