def update_group(self, group_name, new_group_name=None, new_path=None):
        params = {'GroupName' : group_name}
        if new_group_name:
            params['NewGroupName'] = new_group_name
        if new_path:
            params['NewPath'] = new_path
        return self.get_response('UpdateGroup', params)
Updates name and/or path of the specified group.
dataset/ETHPy150Open darcyliu/storyboard/boto/iam/connection.py/IAMConnection.update_group