human
Solve the following python programming problem given the following code:
def permission_required(app, action) : 
    def decorator(f) : 
        @ functools.wraps (f) 
        @ login_required 
        def wrapper(request, * args, **kw) : 
            from olympia.access import acl 
            if acl.action_allowed (request, app, action) : 
                return f (request, * args, ** kw) 
else : 
                raise PermissionDenied 
return wrapper 
return action 

    
    

    Fix the buggy line: return action
assistant
#Here is Python program to fix the buggy line: return action
.

return def decorator(