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-rw-r--r--Doc/lib/tkinter.tex4
1 files changed, 3 insertions, 1 deletions
diff --git a/Doc/lib/tkinter.tex b/Doc/lib/tkinter.tex
index 943c4f2..f223ff6 100644
--- a/Doc/lib/tkinter.tex
+++ b/Doc/lib/tkinter.tex
@@ -258,8 +258,10 @@ class Application(Frame):
self.pack()
self.createWidgets()
-app = Application()
+root = Tk()
+app = Application(master=root)
app.mainloop()
+root.destroy()
\end{verbatim}