human
Solve the following python programming problem given the following code:
@ staticmethod 
def register_nd_option_type(* args) : 
    def _register_nd_option_type(cls) : 
        nd_router_advert._ND_OPTION_TYPES [cls.option_type ()] = cls 
        return cls 
return _register_nd_option_type (_register_nd_option_type [0]) 

    
    

    Fix the buggy line: return _register_nd_option_type (_register_nd_option_type [0])
assistant
#Here is Python code to fix the buggy line: return _register_nd_option_type (_register_nd_option_type [0])
.

return _register_nd_option_type (args [0])