Hi everybody!

I'm trying to write a script to manipulate roto files that have been
exported from silhouette into a '.nk' file.  I'm working with Nuke
6.1, so all of my shapes are placed within group nodes.  In my script,
I recursively expand each group node in the scene.  This expansion
works fine when testing in the gui; however, when I run my script at
the command line, I get the following error:

 innerNodes = node.expand()
RuntimeError: Can't expand groups in terminal mode.

Does anybody know a workaround for this problem?

Thanks!
-Josh
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