[wxPython] How to allow events during long processing routine?

[Brent W. Hughes]

I'm running some code that takes a long time to finish.  I would like the 
user to be able to do other things while it is running.  It seems to me 
there is a function I can call to tell wxPython to process any pending 
messages or events.  I would call this perhaps every 1000 times through my 
loop.  Anybody remember the name of that function?

Brent