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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.
This commit is contained in:
Daniel Lovell 2018-10-30 07:56:07 -07:00 committed by Serhiy Storchaka
parent 31368a4f0e
commit a80af77087
1 changed files with 2 additions and 1 deletions
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3
Doc/library/tkinter.rst
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@ -205,6 +205,7 @@ A Simple Hello World Program
class Application(tk.Frame): class Application(tk.Frame):
def __init__(self, master=None): def __init__(self, master=None):
super().__init__(master) super().__init__(master)
self.master = master
self.pack() self.pack()
self.create_widgets() self.create_widgets()
@ -215,7 +216,7 @@ A Simple Hello World Program
self.hi_there.pack(side="top") self.hi_there.pack(side="top")
self.quit = tk.Button(self, text="QUIT", fg="red", self.quit = tk.Button(self, text="QUIT", fg="red",
command=root.destroy) command=self.master.destroy)
self.quit.pack(side="bottom") self.quit.pack(side="bottom")
def say_hi(self): def say_hi(self):