请帮帮我(我无法在python中生成带有GS1符号(FNC1)的DataMatrix。当我尝试下面的代码时,我无法在屏幕中获得符号gs1
from ppf.datamatrix import DataMatrix
data = '0104680059740223213(OkNQCgC*qXF91KZF092gSnuwHu7c3KkrgPhR7eWzfH5/Qg=gSnuwHu7c3KkrgPhR7eWzfH5/Qg=gSnuwHu7c3KkrgPhR7eWzfH5/Qg=gSnu'
myDataMatrix = DataMatrix(data)
myDataMatrix