From: Daniel Lovell <lovell.daniel92@gmail.com>
Date: Tue, 30 Oct 2018 14:56:07 +0000 (-0700)
Subject: bpo-35086: Fix tkinter example "A Simple Hello World Program". (GH-10160)
X-Git-Tag: v3.8.0a1~612
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=a80af770870937271865b5e2b05a2cfe40b024b6;p=python

bpo-35086: Fix tkinter example "A Simple Hello World Program". (GH-10160)

The root widget was accessed as a global variable in the Application's method.
---

diff --git a/Doc/library/tkinter.rst b/Doc/library/tkinter.rst
index 4af4b7356e..60cf892e08 100644
--- a/Doc/library/tkinter.rst
+++ b/Doc/library/tkinter.rst
@@ -205,6 +205,7 @@ A Simple Hello World Program
     class Application(tk.Frame):
         def __init__(self, master=None):
             super().__init__(master)
+            self.master = master
             self.pack()
             self.create_widgets()
 
@@ -215,7 +216,7 @@ A Simple Hello World Program
             self.hi_there.pack(side="top")
 
             self.quit = tk.Button(self, text="QUIT", fg="red",
-                                  command=root.destroy)
+                                  command=self.master.destroy)
             self.quit.pack(side="bottom")
 
         def say_hi(self):