minor bug fix

Chilipp · Dec 11, 2018 · 7645505 · 7645505
1 parent 8370381
commit 7645505
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/straditize/widgets/data.py b/straditize/widgets/data.py
@@ -515,6 +515,10 @@ def update_tolerance(self, s):
 
     def toggle_txt_tolerance(self, s):
         enable = 'bars' in s
+        try:
+            self.txt_tolerance
+        except RuntimeError:
+            self.txt_tolerance = None
         if enable:
             if self.txt_tolerance is None:
                 self.tolerance_child = QTreeWidgetItem(0)