[Gimp-developer] Problem with python save handler

[Rob Antonishen <rob antonishen gmail com>]

I've put together a simple python save handler for OpenSCAD surface files.

It was working, but after making some changes it is no longer popping
up a dialog and is failing to save.  I can, however call it via the
python console like  pdb.file_openscad_save

The code is here:
http://pastebin.com/EmpxmFVb

I am a python newb, so I suspect it might have something to do with
bad syntax, but I get no errors when gimp starts up....

Can anyone suggest what dumb mistake I've made?

Thanks,

-Rob A>