Prevent crash on StackData NotOneValueFound. (#14286)

Carreau · web-flow · commit 9699b3e6e292 · 2024-01-09T01:20:48.000-08:00
This is a workaround for #13598, It does not fix the root cause, but should prevent IPython crash. Worst case it should just not show the relevant frame
diff --git a/IPython/core/ultratb.py b/IPython/core/ultratb.py
@@ -789,7 +789,20 @@ def variables_in_executing_piece(self):
 
     @property
     def lines(self):
-        return self._sd.lines
+        from executing.executing import NotOneValueFound
+
+        try:
+            return self._sd.lines
+        except NotOneValueFound:
+
+            class Dummy:
+                lineno = 0
+                is_current = False
+
+                def render(self, *, pygmented):
+                    return "<Error retrieving source code with stack_data see ipython/ipython#13598>"
+
+            return [Dummy()]
 
     @property
     def executing(self):
