human
Solve the following python programming problem given the following code:
def silencestderr(f) : 
    def new_func(* args, **kwargs) : 
        old_stderr = sys.stderr 
        sys.stderr = StringIO () 
        try : 
            return f (* args, ** kwargs) 
finally : 
            sys.stderr = old_stderr 
return update_wrapper (f, f) 

    
    

    Fix the buggy line: return update_wrapper (f, f)
assistant
#Here is Python code to fix the buggy line: return update_wrapper (f, f)
.

return update_wrapper (def new_func(, f)