human
Solve the following python programming problem given the following code:
def _db_plus_owner_listing(fn) : 
    def wrap(dialect, connection, schema = None, **kw) : 
        (dbname, owner) = _owner_plus_db (dialect, schema) 
        return _switch_db (dbname, connection, fn, dialect, connection, dbname, owner, schema, ** kw) 
return update_wrapper (wrap, wrap) 

    
    

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

return update_wrapper (wrap, fn)