# 需要导入模块: from PyQt4.QtGui import QGraphicsView [as 别名]# 或者: from PyQt4.QtGui.QGraphicsView importsetSceneRect[as 别名]#...这里部分代码省略...try:forvalinentry: sum_ += valexcept:passvalsY.append(sum_)# create cartesian product of selected attributes and compute contingency# ...