parameters: ()
docstring: GUI test.
docstring_summary: GUI test.
docstring_tokens: GUI test .
function: def test_gui():
      "GUI test."
      if sys.argv[1:]:
          filename = sys.argv[1]
      else:
          filename = "sheet1.xml"
      g = SheetGUI(filename)
      g.root.mainloop()
function_tokens: def test_gui ( ) : if sys . argv [ 1 : ] : filename = sys . argv [ 1 ] else : filename = "sheet1.xml" g = SheetGUI ( filename ) g . root . mainloop ( )