code: def test_infinite_objective_function(self):
      # Test that there are no problems if the objective function
      # returns inf on some runs
      def sometimes_inf(x):
          if x[0] < 0.5:
              return np.inf
          return x[1]
  
      bounds = [(0, 1), (0, 1)]
      differential_evolution(sometimes_inf, bounds=bounds, disp=False)
  
imports: import multiprocessing
  import platform
  from scipy.optimize._differentialevolution import DifferentialEvolutionSolver, _ConstraintWrapper
  from scipy.optimize import differential_evolution
  from scipy.optimize._constraints import Bounds, NonlinearConstraint, LinearConstraint
  from scipy.optimize import rosen
  from scipy.sparse import csr_matrix
  from scipy._lib._pep440 import Version
  import numpy
  from numpy.testing import assert_equal, assert_allclose, assert_almost_equal, assert_array_equal, assert_string_equal, assert_, suppress_warnings
  from pytest import raises, warns
  import pytest
label_desc: Use image node_id 35 for calling the TestDifferentialEvolutionSolver obj's underlying member method code with example usage: obj.test_infinite_objective_function() and returns: x, np