[issue1524639] Fix Tkinter Tcl-commands memory-leaks

[Quentin Gallet-Gilles]

Quentin Gallet-Gilles <qgallet at gmail.com> added the comment:

A little remark : please replace "if not
globals().has_key('TkinterError'):" by "if 'TkinterError' not in
globals():". has_key is now deprecated in 2.6 and should be avoided.

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nosy: +quentin.gallet-gilles
versions:  -Python 2.5

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