human
Solve the following python programming problem given the following code:
def never_cache(view_func) : 
    '
    Decorator that adds headers to a response so that it will
    never be cached.
    ' 
    @ wraps (view_func, assigned = available_attrs (view_func)) 
    def _wrapped_view_func(request, * args, **kwargs) : 
        response = view_func (request, * args, ** kwargs) 
        add_never_cache_headers (response) 
        return response 
return <MASK> 
    
    Given the code above, what is a proper replacement for <MASK>?
assistant
#Here is a proper replacement for <MASK>.
def _wrapped_view_func(