[vtk-developers] Patch for vtkPythonUtil.cxx

[Prabhu Ramachandran]

Prabhu Ramachandran wrote:
> I ran into a bug that causes a crash on some VTK-Python apps at exit. It 
> is hard to reproduce with a small test case but reproducible in some 
> TVTK scripts I have.  Basically, what seems to happen is that if there 
> is a VTK object on which you have a Python callback via an event 
> notification, say "ModifiedEvent" or "DeleteEvent", then it is possible 
> (with VTK 5.2/5.3) for the callback to be called *after* PyFinalize is 
> called.  This will cause a segfault.  The patch just checks to see if 
> the interpreter is initialized and if not return.  This avoids the problem.

It would help if I attached the patch. Here it is.

cheers,
prabhu
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