code: def test_PQ_polysemous_ht(self):
      self.do_test_with_param(
          "PQ4x8",
          {"ht": 10},
          faiss.SearchParametersPQ(
              polysemous_ht=10, search_type=faiss.IndexPQ.ST_polysemous
          ),
      )
  
imports: import numpy
  import faiss
  import unittest
  import sys
  import gc
  from faiss.contrib import datasets
  from faiss.contrib.evaluation import sort_range_res_2, check_ref_range_results
label_desc: Use image node_id 5 for calling the TestSearchParams obj's underlying member method code with example usage: obj.test_PQ_polysemous_ht() without return types