[issue978604] wait_variable hangs at exit

[Guilherme Polo]

Guilherme Polo <ggpolo at gmail.com> added the comment:

You can also reproduce it with a shorter test that doesn't need any
interaction:

import Tkinter

root = Tkinter.Tk()
waitvar = Tkinter.BooleanVar()

root.after(50, lambda: waitvar.set(True))
root.after(10, root.destroy)
root.wait_variable(waitvar)

root.mainloop()

Verifying.

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nosy: +gpolo
versions: +Python 2.7, Python 3.1

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