fix: paint method widget argument can be None#2903
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j9ac9k merged 1 commit intopyqtgraph:masterfrom Feb 14, 2024
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walrus operator has entered the codebase! Thanks @pijyoi sorry it's taken me so long to get to this. This LGTM, I appreciate your continued work and effort on this library! |
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This PR fixes a bug introduced in #2863.
In the
paintmethod, the DPR is obtained by callingwidget.devicePixelRatioF(). However, thewidgetargument can beNone. https://doc.qt.io/qt-6/qgraphicsitem.html#paintThis bug manifests itself at least in the Jupyter Notebook examples using
ScatterPlotItem.