def get_all_placement_groups(self, groupnames=None, filters=None):
        params = {}
        if groupnames:
            self.build_list_params(params, groupnames, 'GroupName')
        if filters:
            self.build_filter_params(params, filters)
        return self.get_list('DescribePlacementGroups', params,
                             [('item', PlacementGroup)], verb='POST')
Testing that confirm_human works even if code outside of django-experiments updates the key
dataset/ETHPy150Open darcyliu/storyboard/boto/ec2/connection.py/EC2Connection.get_all_placement_groups--crossover with--dataset/ETHPy150Open mixcloud/django-experiments/experiments/tests/test_webuser.py/ConfirmHumanTestCase.test_session_already_confirmed