def mousePressEvent(self, event):
        event.accept()
        self.dragging = True
        #QtGui.QGraphicsItem.mousePressEvent(self, event)
Returns de-JSONed data or None if it's a different content type.
dataset/ETHPy150Open andrew-gardner/dependsworkflow/depends/depends_graphics_widgets.py/DrawEdge.mousePressEvent--crossover with--dataset/ETHPy150Open bslatkin/dpxdt/dpxdt/client/fetch_worker.py/FetchItem.json