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PlotCurveItem.boundingRect: check for None returned from self.dataBounds

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Mikhail Terekhov 2014-03-20 14:59:21 -04:00
parent abfac52c34
commit 1ad3eacb78
1 changed files with 3 additions and 1 deletions
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4
pyqtgraph/graphicsItems/PlotCurveItem.py
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@ -194,8 +194,10 @@ class PlotCurveItem(GraphicsObject):
def boundingRect(self): def boundingRect(self):
if self._boundingRect is None: if self._boundingRect is None:
(xmn, xmx) = self.dataBounds(ax=0) (xmn, xmx) = self.dataBounds(ax=0)
if xmn is None or xmx is None:
return QtCore.QRectF()
(ymn, ymx) = self.dataBounds(ax=1) (ymn, ymx) = self.dataBounds(ax=1)
if xmn is None or ymn is None: if ymn is None or ymx is None:
return QtCore.QRectF() return QtCore.QRectF()
px = py = 0.0 px = py = 0.0