Fixed fixtures tests failure on Python 2 with non-ASCII path.

    def test_loaddata_verbosity_three(self):

        output = six.StringIO()

        management.call_command('loaddata', 'fixture1.json', verbosity=3, stdout=output, stderr=output)

        command_output = output.getvalue()

        command_output = force_text(output.getvalue())

        self.assertIn(

            "\rProcessed 1 object(s).\rProcessed 2 object(s)."

            "\rProcessed 3 object(s).\rProcessed 4 object(s).\n",