What to import to correct this? Using python3 in windows not on unix.

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def show():
      myLabel = Label(root, text = clicked.get()).pack()   

clicked = StringVar()  
BNdrop = OptionMenu(root, clicked, "abc", "xyz")  
BNdrop.pack()  
MyButton = Button(root, text = "Show Selection", command = show).pack()   

root.mainloop()

Above written little piece of code is giving the error written below:

'NoneType' object has no attribute '_root'

What to import to correct this? Using python3 in windows not on unix.

What I have tried:

Tried to figure out what to import to remove this error message.

Posted 4-Nov-21 5:33am

A. B. Dinshaa

Updated 4-Nov-21 5:55am

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Richard MacCutchan · Answer 1 · 2021-11-04T05:55:00

Assuming that you are using tkinter (which you omitted to mention), then you need the following:

Python

import tkinter as tk

root =  tk.Tk()

You will most likely need to use the tk. prefix on all your controls also, as shown below:

Python

import tkinter as tk

def show():
      myLabel = tk.Label(root, text = clicked.get()).pack()   

root = tk.Tk()
clicked = tk.StringVar()  
BNdrop = tk.OptionMenu(root, clicked, "abc", "xyz")  
BNdrop.pack()  
MyButton = tk.Button(root, text = "Show Selection", command = show).pack()   

root.mainloop()