python报错

LYF511

请问怎么解决？

报错：

Traceback (most recent call last):
  File "<pyshell#8>", line 1, in <module>
    app = App(root)
  File "<pyshell#4>", line 13, in __init__
    self.igmlabel = tk.Label(root, image=photo)
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37-32\lib\tkinter\__init__.py", line 2763, in __init__
    Widget.__init__(self, master, 'label', cnf, kw)
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37-32\lib\tkinter\__init__.py", line 2296, in __init__
    (widgetName, self._w) + extra + self._options(cnf))
_tkinter.TclError: image "pyimage3" doesn't exist

代码：

1. 
   
2. import tkinter.filedialog as tf
   
3. import tkinter as tk
   
4. import PIL.ImageGrab as PI
   
5. import sys
   
6. import time
   
7. 
   
8. 
   
9. class App:
   
10.     def __init__(self, root):
    
11. 
    
12.         root = tk.Tk()
    
13. 
    
14.         photo = PI.grab()
    
15.         photo.save(r"test.gif")
    
16.         time.sleep(2)
    
17. 
    
18.         photo = tk.PhotoImage(file=r"test.gif")
    
19. 
    
20.         self.igmlabel = tk.Label(root, image=photo)
    
21.         self.igmlabel.pack(side=LEFT)
    
22.         
    
23.         self.button = tk.Button(root, text="保存", command=self.save)
    
24.         self.button.pack(side=RIGHT)
    
25. 
    
26.         self.button = tk.Button(root, text="保存", command=self.save)
    
27.         self.button.pack(side=RIGHT)
    
28.         
    
29.         def save(self):
    
30.             file = tf.asksaveasfilename(title="保存", filetypes=[("PNG", ".png"), ("JPG", ".jpg"), ("GIF", ".gif")])
    
31. 
    
32.         
    
33. root = tk.Tk()
    
34. root.title("截图")
    
35. root.geometry()
    
36. app = App(root)
    
37. 
    
38. root.mainloop()
    

复制代码

请问怎么解决？

一个账号

https://blog.csdn.net/cat7102/article/details/79177489（求采纳）