human
Solve the following python programming problem given the following code:
def simple_dec(func) : 
    def wrapper(arg) : 
        return func (('test:' + arg)) 
return wraps (func) (func) 

    
    

    Fix the buggy line: return wraps (func) (func)
assistant
#Here is Python code to fix the buggy line: return wraps (func) (func)
.

return wraps (func) (def wrapper()