[issue11029] Crash, 2.7.1, Tkinter and threads and line drawing

[Christoph Gohlke]

Christoph Gohlke <cgohlke at uci.edu> added the comment:

Tkinter is not thread safe. You are changing UI elements from a thread that is not the main thread. Use a Queue as described at http://effbot.org/zone/tkinter-threads.htm.

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nosy: +cgohlke

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<http://bugs.python.org/issue11029>
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