#95 Bugfiks: kategori-tekst var redigerbar i popup

soitool/modules/module_predefined_codes.py

@@ -588,7 +588,7 @@ class PredefinedCodesSettings(AcceptRejectDialog):
         # Add uneditable categories
         for i, category in enumerate(categories):
             item = QListWidgetItem(category)
-            item.setFlags(item.flags() ^ Qt.ItemIsEditable)
+            item.setFlags(item.flags() & ~Qt.ItemIsEditable)
             self.list_category_order.insertItem(i, item)
 
         self.button_ok.setText("Opprett")