Merge pull request #6596 from markotoplak/fix-crash-preproc

owpreprocess: fix potential crash at destruction
biolab · Nov 3, 2023 · 5412e74 · 5412e74
2 parents 1ab70b6 + 82f00d9
commit 5412e74
Showing 1 changed file with 5 additions and 2 deletions.
diff --git a/Orange/widgets/data/owpreprocess.py b/Orange/widgets/data/owpreprocess.py
@@ -1178,6 +1178,10 @@ def sizeHint(self):
 
         gui.auto_apply(self.buttonsArea, self, "autocommit")
 
+        self.__update_size_constraint_timer = QTimer(
+            self, singleShot=True, interval=0,
+        )
+        self.__update_size_constraint_timer.timeout.connect(self.__update_size_constraint)
         self._initialize()
 
     def _initialize(self):
@@ -1367,8 +1371,7 @@ def customEvent(self, event):
 
     def eventFilter(self, receiver, event):
         if receiver is self.flow_view and event.type() == QEvent.LayoutRequest:
-            QTimer.singleShot(0, self.__update_size_constraint)
-
+            self.__update_size_constraint_timer.start()
         return super().eventFilter(receiver, event)
 
     def storeSpecificSettings(self):