Script works in IDLE, but .py-file doesn't work

Question

I have a tkinter script, which runs just fine in IDLE. However, when I double click the .py-file from Windows Explorer, the console window flashes half a second and then it

Answer 1

IDLE uses Tkinter as its graphical environment. It is possible that your code is relying on a side effect of an import by IDLE itself. This is especially true if you use IDLE without a subprocess.

The simpledialog module does not import when using from tkinter import *. Try adding this to your code:

import tkinter.simpledialog as simpledialog