code: def test_seed_gives_repeatability(self):
      result = differential_evolution(
          self.quadratic, [(-100, 100)], polish=False, seed=1, tol=0.5
      )
      result2 = differential_evolution(
          self.quadratic, [(-100, 100)], polish=False, seed=1, tol=0.5
      )
      assert_equal(result.x, result2.x)
      assert_equal(result.nfev, result2.nfev)
  
imports: import multiprocessing
  from scipy.optimize import _differentialevolution
  from scipy.optimize._differentialevolution import DifferentialEvolutionSolver
  from scipy.optimize import differential_evolution
  import numpy
  from scipy.optimize import rosen
  from numpy.testing import assert_equal, assert_allclose, assert_almost_equal, assert_string_equal, assert_
  from pytest import raises, warns
label_desc: Use image node_id 25 for calling the TestDifferentialEvolutionSolver obj's underlying member method code with example usage: obj.test_seed_gives_repeatability() without return types