code: def test_no_exploit(self):
      trial = TrialStub()
      assert PipelineExploit([])(RNGStub(), trial, None) is trial
  
imports: import numpy
  import pytest
  from base import RNGStub, TrialStub
  from orion.algo.pbt.exploit import BacktrackExploit, PipelineExploit, TruncateExploit
  from orion.algo.pbt.pbt import Lineages
label_desc: Use image node_id 1 for calling the TestPipelineExploit obj's underlying member method code with example usage: obj.test_no_exploit() without return types