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Backport PR #12092: Update backend_qt5agg to fix PySide2 mem issues #12097

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Merged
anntzer merged 1 commit into from
Sep 11, 2018
Merged

Backport PR #12092: Update backend_qt5agg to fix PySide2 mem issues #12097

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2 changes: 1 addition & 1 deletion lib/matplotlib/backends/backend_qt5agg.py
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Original file line number Diff line number Diff line change
Expand Up @@ -63,7 +63,7 @@ def paintEvent(self, e):
qimage = QtGui.QImage(buf, w, h, QtGui.QImage.Format_ARGB32)
# Adjust the buf reference count to work around a memory leak bug
# in QImage under PySide on Python 3.
if QT_API == 'PySide' and six.PY3:
if QT_API in ('PySide', 'PySide2') and six.PY3:
ctypes.c_long.from_address(id(buf)).value = 1
if hasattr(qimage, 'setDevicePixelRatio'):
# Not available on Qt4 or some older Qt5.
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