Tk with Vizard

[sled]

thanks a lot and sorry to bother you again, the tk gui works well in vizard now , but when I begin to invoke the viz.add(...) by click the start button,it shows err message:

Traceback (most recent call last):
File "<string>", line 1, in ?
File "weigangGUI.py", line 58, in ?
root = Tk()
File "C:\Program Files\Vizard\bin\lib\Tkinter.py", line 1483, in __init__
baseName = os.path.basename(sys.argv[0])
AttributeError: 'module' object has no attribute 'argv'