code: def test_reproduce(self):
      res1 = dual_annealing(self.func, self.ld_bounds, seed=self.seed)
      res2 = dual_annealing(self.func, self.ld_bounds, seed=self.seed)
      res3 = dual_annealing(self.func, self.ld_bounds, seed=self.seed)
      # If we have reproducible results, x components found has to
      # be exactly the same, which is not the case with no seeding
      assert_equal(res1.x, res2.x)
      assert_equal(res1.x, res3.x)
  
imports: from scipy.optimize import dual_annealing, Bounds
  from scipy.optimize._dual_annealing import EnergyState
  from scipy.optimize._dual_annealing import LocalSearchWrapper
  from scipy.optimize._dual_annealing import ObjectiveFunWrapper
  from scipy.optimize._dual_annealing import StrategyChain
  from scipy.optimize._dual_annealing import VisitingDistribution
  from scipy.optimize import rosen, rosen_der
  import pytest
  import numpy
  from numpy.testing import assert_equal, assert_allclose, assert_array_less
  from pytest import raises
  from scipy._lib._util import check_random_state
label_desc: Use image node_id 15 for calling the TestDualAnnealing obj's underlying member method code with example usage: obj.test_reproduce() without return types