Tk variables problem
effbot at telia.com
Wed Feb 2 17:20:56 CET 2000
<F note="mailed and posted">
Sven Drescher wrote:
> I cannot understand why the following little program doesn't work correct.
> It's surely a little problem, but in my program are more situations, where
> such an error is raised.
> Attribute Error: 'None' object has no attribute 'tk'
you must create a Tk instance (a root window)
before you can create variables. creating such
a window initializes the Tk interface, and installs
a default root object.
(if you create a widget, it automagically creates
a root window for you, but image and variable
objects doesn't do that)
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