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Merge pull request #735 from campagnola/fix-exit-error

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Fix exit error caused by callback invoked during Qt teardown
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Luke Campagnola 2018-07-26 09:37:47 -07:00 committed by GitHub
commit 240889c460
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pyqtgraph/graphicsItems/GraphicsItem.py
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@ -445,6 +445,10 @@ class GraphicsItem(object):
## called to see whether this item has a new view to connect to ## called to see whether this item has a new view to connect to
## NOTE: This is called from GraphicsObject.itemChange or GraphicsWidget.itemChange. ## NOTE: This is called from GraphicsObject.itemChange or GraphicsWidget.itemChange.
if not hasattr(self, '_connectedView'):
# Happens when Python is shutting down.
return
## It is possible this item has moved to a different ViewBox or widget; ## It is possible this item has moved to a different ViewBox or widget;
## clear out previously determined references to these. ## clear out previously determined references to these.
self.forgetViewBox() self.forgetViewBox()