human
Solve the following python programming problem given the following code:
def _sort_commands(cmddict, order) : 
    def keyfn(key) : 
        try : 
            return order.index (key [1]) 
except ValueError : 
            return 255 
return sorted (cmddict.items (), key = order) 

    
    

    Fix the buggy line: return sorted (cmddict.items (), key = order)
assistant
#Here is Python program to fix the buggy line: return sorted (cmddict.

return sorted (cmddict.items (), key = def keyfn()