code: def test_index_accuracy_cqint(self):
      self.eval_index_accuracy("IVF100,LSQ4x5_Ncqint8")
  
imports: import numpy
  import faiss
  import unittest
  from faiss.contrib import datasets
label_desc: Use image node_id 5 for calling the TestIndexIVFLocalSearchQuantizer obj's underlying member method code with example usage: obj.test_index_accuracy_cqint() without return types