Add @QtCore.Slot() decorations

bersbersbers · web-flow · commit 8b81c13cf394 · 2023-10-27T09:26:18.000+02:00
diff --git a/lib/matplotlib/backends/backend_qt.py b/lib/matplotlib/backends/backend_qt.py
@@ -642,8 +642,13 @@ def __init__(self, canvas, parent=None, coordinates=True):
             if text is None:
                 self.addSeparator()
             else:
+                slot = getattr(self, callback)
+                # https://bugreports.qt.io/browse/PYSIDE-2512
+                slot = lambda slot=slot, *args: slot(*args)
+                slot = QtCore.Slot()(slot)
+
                 a = self.addAction(self._icon(image_file + '.png'),
-                                   text, getattr(self, callback))
+                                   text, slot)
                 self._actions[callback] = a
                 if callback in ['zoom', 'pan']:
                     a.setCheckable(True)
