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network: Small fix.
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@@ -596,7 +596,7 @@ class GraphWidget(QGraphicsView):
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self.mouse_origin_y = pos.y()
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self.mouse_origin_y = pos.y()
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items = self.items(event.pos())
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items = self.items(event.pos())
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if type(items[0]) == EdgeItem:
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if items and type(items[0]) == EdgeItem:
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edge = items[0]
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edge = items[0]
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if edge:
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if edge:
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self.setCurrentEdge(edge)
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self.setCurrentEdge(edge)
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