Python Tkinter：AttributeError：按钮实例没有__call__方法

Question

我不知道为什么这给我一个属性错误。我希望我的blah()功能可以洗牌。我正在从random调用内置函数shuffle()。

错误：

Exception in Tkinter callback 
Traceback (most recent call last): 
    File "/usr/lib/python2.7/lib-tk/Tkinter.py", line 1489, in __call__ 
    return self.func(*args) 
    File "gui1.py", line 105, in blah 
    shuffle(cards) 
AttributeError: Button instance has no __call__ method 

下面的代码片段：

def blah(): 
    global card_count 
    global path 
    shuffle(cards) 
    card_count = 0 
    path = generate_paths(cards) 
    print "Cards Shuffled" 

shuffle = Button(frame_buttons, text = "SHUFFLE",height = 2, width = 10,command =blah) 
shuffle.grid(row = 2 , padx = 40, pady = 40) 

Answer 1

shuffle是random函数的名称。但是，它也是Button的名称。把Button的名字改成shuffle_button，你应该没问题。