def _class_definition_lines(name, name_super_type):
    """ Create lines that define a class. """
    return ["class {t}({st}):\n".format(t=name, st=name_super_type),
            "\tdef __init__(self, *args, **kwarggs):\n",
            "\t\tsuper({t}, self).__init__(*args, **kwargs)".format(
                t=name, st=name_super_type)]