Fixed #24160 -- Fixed model_regress test on Windows; refs #24007.

        with NamedTemporaryFile(mode='w+', suffix=".py", dir='.') as script:

            script.write(script_template % pickle.dumps(a))

            script.flush()

            try:

                result = subprocess.check_output(

                    [sys.executable, script.name],

            env = {

                # Needed to run test outside of tests directory

                str('PYTHONPATH'): os.pathsep.join(sys.path),

                # Needed on Windows because http://bugs.python.org/issue8557

                str('PATH'): os.environ['PATH'],

            }

                )

            if 'SYSTEMROOT' in os.environ:  # Windows http://bugs.python.org/issue20614

                env[str('SYSTEMROOT')] = os.environ['SYSTEMROOT']

            try:

                result = subprocess.check_output([sys.executable, script.name], env=env)

            except subprocess.CalledProcessError:

                self.fail("Unable to reload model pickled data")

        self.assertEqual(result.strip().decode(), "Some object")