code: def test_callback_stop(self):
      # Testing that callback make the algorithm stop for
      # fun value <= 1.0 (see callback method)
      ret = dual_annealing(
          self.func, self.ld_bounds, callback=self.callback
      )
      assert ret.fun <= 1.0
      assert "stop early" in ret.message[0]
  
imports: from scipy.optimize import dual_annealing
  from scipy.optimize._dual_annealing import VisitingDistribution
  from scipy.optimize._dual_annealing import ObjectiveFunWrapper
  from scipy.optimize._dual_annealing import EnergyState
  from scipy.optimize._dual_annealing import LocalSearchWrapper
  from scipy.optimize import rosen, rosen_der
  import numpy
  from numpy.testing import assert_equal, TestCase, assert_allclose, assert_array_less
  from pytest import raises
  from scipy._lib._util import check_random_state
label_desc: Use image node_id 24 for calling the TestDualAnnealing obj's underlying member method code with example usage: obj.test_callback_stop() without return types