Maya Version Conversion 0.0.1 for Maya (maya script)

Brings up the UI fine, but then status "Calculating" in the command feedback line appears, then Maya crashes.

Maya terminal displays:

Stack trace:  4   libExtensionLayer.dylib             0x0000000101619a90 QmayaMacMainMenuBar::isMenuInMainMenuBar(QMenu*) + 16  5   libExtensionLayer.dylib             0x00000001014ef29c TiceMenuItemCmd::doEditFlags() + 4732  6   libExtensionLayer.dylib             0x00000001014dca04 TiceBaseCmd::doEdit() + 84  7   libExtensionLayer.dylib             0x00000001014dfe32 TiceBaseCmd::doCommand(TargList&) + 1266  8   libCommandEngine.dylib              0x0000000100ca0643 TpythonInterpreter::dispatchMayaCommand(TmetaCommand&, _object*, _object*) + 403  9   Python                              0x0000000108b6deb2 PyEval_EvalFrameEx + 23954  10  Python                              0x0000000108b6ec66 PyEval_EvalFrameEx + 27462  11  Python                              0x0000000108b6f74b PyEval_EvalCodeEx + 1483  12  Python                              0x0000000108b6fb46 PyEval_EvalCode + 54  13  libCommandEngine.dylib              0x0000000100ca1317 TpythonInterpreter::executeCommand(Tstring const&, bool, bool, TinterpreterResult*) + 695  14  libExtensionLayer.dylib             0x000000010158883d TcommandFieldExecuterTypePython::executeCommand(Tstring const&) + 77  15  libExtensionLayer.dylib             0x000000010158901c QmayaCommandScrollFieldExecuter::doRun() + 316  16  libExtensionLayer.dylib             0x000000010158b494 QmayaCommandScrollFieldExecuter::keyPressEvent(QKeyEvent*) + 500  17  QtGui                               0x0000000106d8a480 QWidget::event(QEvent*) + 2544  18  QtGui                               0x00000001070f662c QFrame::event(QEvent*) + 44  19  QtGui                               0x000000010717d16b QAbstractScrollArea::event(QEvent*) + 123  20  QtGui                               0x000000010716973b QTextEdit::event(QEvent*) + 91  21  libExtensionLayer.dylib             0x00000001015885db QmayaCommandScrollFieldExecuter::event(QEvent*) + 27  22  QtGui                               0x0000000106d3592d QApplicationPrivate::notify_helper(QObject*, QEvent*) + 205  23  QtGui                               0x0000000106d3e6ab QApplication::notify(QObject*, QEvent*) + 9611  24  libExtensionLayer.dylib             0x0000000101433a00 QmayaApplication::notify(QObject*, QEvent*) + 112  25  QtCore                              0x00000001069f870c QCoreApplication::notifyInternal(QObject*, QEvent*) + 124  26  QtGui                               0x0000000106d35c7c qt_sendSpontaneousEvent(QObject*, QEvent*) + 44  27  QtGui                               0x0000000106dac008 QKeyMapper::sendKeyEvent(QWidget*, bool, QEvent::Type, int, QFlags<Qt::KeyboardModifier>, QString const&, bool, int, unsigned int, unsigned int, unsigned int, bool*) + 168  28  QtGui                               0x0000000106daca83 QKeyMapperPrivate::translateKeyEvent(QWidget*, OpaqueEventHandlerCallRef*, OpaqueEventRef*, void*, bool) + 659  29  QtGui                               0x0000000106ceb4ee qt_dispatchKeyEvent(void*, QWidget*) + 238  30  QtGui                               0x0000000106cdeaeb -[QCocoaView keyDown:] + 347  31  AppKit                              0x00007fff8387b050 -[NSWindow sendEvent:] + 9687  32  QtGui                               0x0000000106ce46c6 -[QCocoaWindow sendEvent:] + 230  33  AppKit                              0x00007fff83876674 -[NSApplication sendEvent:] + 5761
Fatal Error. Attempting to save in /var/folders/84/t79rcd9n56l8r_t6pxxc5ghm0000gq/T/snow.20130503.1038.maWriting crash report in /var/folders/84/t79rcd9n56l8r_t6pxxc5ghm0000gq/T/snow.20130503.1038.crashTerminated: 15MacPro:~ snow$ /Users/snow