[Tkinter] Inheriting from Toplevel

[Fredrik Lundh]

dwolff567 at my-deja.com wrote:
> I am having some fairly weird problems with my Tkinter app.  I am
> spawning a new Toplevel window where I display a graph in a
> canvas instance.  However, when I send the data to the widget to
> be plotted, the whole thing freezes.

I'd look for a widget that is created without a master, and
displayed using a call to "grid"...

if you don't use grid at all, you probably have to post more
code...

</F>