Avoided db queries in test_indentation_whitespace.

        return ret_list

    def test_indentation_whitespace(self):

        Score.objects.create(score=5.0)

        Score.objects.create(score=6.0)

        qset = Score.objects.all()

        s = serializers.json.Serializer()

        json_data = s.serialize(qset, indent=2)

        json_data = s.serialize([Score(score=5.0), Score(score=6.0)], indent=2)

        for line in json_data.splitlines():

            if re.search(r'.+,\s*$', line):

                self.assertEqual(line, line.rstrip())