basic example doesn't work with wxPython

Hi, I am trying to develop a quick gui in python, and I downloaded both 
anygui and wxPython.  I tried running the basic example in the tutorial:

import anygui as gui
win=gui.Window()
app=gui.Application()
app.add(win)
app.run()

and I get a blinking window that eventually dies.  When I imported the 
tk gui as gui directly the example worked.
So the reason I am writing is to ask:  1) Is this a known problem?  If 
so how do I fix it?  and, 2) In order to use anygui without having to 
uninstall wxPython, is there a way to make tk my default gui instead of tk?

Thanks,
Francisco Gutierrez


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