Hello guys, I currently have a very mysterious problem with PyQT and neither Stackoverflow (http://stackoverflow.com/q/16614187/2394681) nor any of my friends and coworkers can help me with it. I'm building a PyQt QGraphicsView project where some QGraphicItems can be moved around between different QGraphicsItemGroups. For that, I use the addItemToGroup() method of the "new" parent itemGroup. This works fine, but only so long as I do not define the itemChange() method in my custom child-item class. Once I define that method (even if I just pass the function call to the super class), the childItems will not be added to ItemGroups no matter what I try. class MyChildItem(QtGui.QGraphicsItemGroup): def itemChange(self, change, value): # TODO: Do something for certain cases of ItemPositionChange return QtGui.QGraphicsItemGroup.itemChange(self, change, value) #return super().itemChange(change, value) # Tried this variation too Am I simply too stupid for properly calling a superclass method in Python, or is the problem somewhere in the QT / PyQT magic? I use Python 3.3 with PyQt 4.8 and QT 5. I would really appreciate any kind of help or ideas. Thanks a lot, Christian Zöllner
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