Destroy vizrank when parent widget is deleted

biolab · Mar 17, 2017 · bc5ae77 · bc5ae77
1 parent 5d4405c
commit bc5ae77
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/orangecontrib/prototypes/widgets/owcorrelations.py b/orangecontrib/prototypes/widgets/owcorrelations.py
@@ -152,6 +152,8 @@ def _vizrank_select(self):
         model = self.vizrank.rank_table.model()
         selection = QItemSelection()
         names = sorted(x.name for x in self.selection)
+        if model is None:
+            return
         for i in range(model.rowCount()):
             if sorted(x.name for x in model.data(model.index(i, 0),
                                                  CorrelationRank._AttrRole)) \