--- a/src/eric7/UI/Browser.py	Thu May 25 11:12:05 2023 +0200
+++ b/src/eric7/UI/Browser.py	Thu May 25 19:51:47 2023 +0200
@@ -211,6 +211,7 @@
         self._resizeColumns(QModelIndex())
         self._resort()
 
+    @pyqtSlot(QModelIndex)
     def _resizeColumns(self, index):
         """
         Protected slot to resize the view when items get expanded or collapsed.