I apologize for the floundering that has occurred with the latest
version of VPython for the Mac. Some incompatibilities were introduced
into basic libraries by OSX 10.6 (Snow Leopard) and it took various
tries to find a way to produce a VPython that would work on OSX 10.5 as
well as 10.6.
What is now available on the Mac download page at vpython.org (VPython
5.23) has been seen to work on OSX 10.5 and 10.6. It is quite possible
it will also work on 10.4, but no one has reported trying that.
Many many thanks to Mirko Bordignon for all the help he gave on this
problem!
Bruce Sherwood
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