code: def test_nprobe(self):
      self.do_test_with_param(
          "IVF32,Flat",
          {"nprobe": 3},
          faiss.SearchParametersIVF(nprobe=3),
      )
  
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 2 for calling the TestSearchParams obj's underlying member method code with example usage: obj.test_nprobe() without return types