$ sk1
shared memory images supported
Traceback (most recent call last):
  File "<string>", line 1, in <module>
  File "/usr/lib/python2.5/site-packages/sk1/__init__.py", line 19, in <module>
    app.main.main()
  File "/usr/lib/python2.5/site-packages/sk1/app/main.py", line 150, in main
    application = SketchApplication(filename, options.display, options.geometry, run_script = options.run_script)
  File "/usr/lib/python2.5/site-packages/sk1/app/skapp.py", line 156, in __init__
    self.build_window()
  File "/usr/lib/python2.5/site-packages/sk1/app/skapp.py", line 194, in build_window
    self.main_window = sK1MainWindow(self, self.filename, self.run_script)
  File "/usr/lib/python2.5/site-packages/sk1/app/UI/mainwindow.py", line 113, in __init__
    self.build_menu()
  File "/usr/lib/python2.5/site-packages/sk1/app/UI/mainwindow.py", line 919, in build_menu
    self.update_mru_files()
  File "/usr/lib/python2.5/site-packages/sk1/app/UI/mainwindow.py", line 937, in update_mru_files
    self.file_menu.RebuildMenu()
  File "/usr/lib/python2.5/site-packages/sk1/app/UI/tkext.py", line 468, in RebuildMenu
    self.menu.delete(0, END)
  File "/usr/lib/python2.5/lib-tk/Tkinter.py", line 2685, in delete
    self.deletecommand(c)
  File "/usr/lib/python2.5/lib-tk/Tkinter.py", line 361, in deletecommand
    self.tk.deletecommand(name)
TclError: can't delete Tcl command