Something

from PyQt4 import QtCore, QtGuiimport mathimport sysa=1  #For me, on windows 7 and windows xp, this code crashes whenb=2  # you close the window... reliably.c=3d=4  #If even one of these variables, or functions is removed, the problem goes awaye=5f=6g=7def funcA(a, b):    return 1def SetupScene(scene):    return 1if __name__ == "__main__":    app = QtGui.QApplication(sys.argv)    scene = QtGui.QGraphicsScene()    win = QtGui.QGraphicsView(scene)    win.show()    sys.exit(app.exec_())