human
Solve the following python programming problem given the following code:
def arg(* args, **kwargs) : 
    'Decorator for CLI args.' 
    def _decorator(func) : 
        add_arg (func, * args, ** kwargs) 
        return func 
return kwargs 

    
    

    Fix the buggy line: return kwargs
assistant
#Here is Python code to fix the buggy line: return kwargs
.

return def _decorator(