Merge 7fd7395 into bb18bb7

jupyter · Nov 14, 2021 · 67840e1 · 67840e1
2 parents bb18bb7 + 7fd7395
commit 67840e1
Showing 1 changed file with 8 additions and 1 deletion.
diff --git a/qtconsole/call_tip_widget.py b/qtconsole/call_tip_widget.py
@@ -20,7 +20,14 @@ def __init__(self, text_edit):
         """
         assert isinstance(text_edit, (QtWidgets.QTextEdit, QtWidgets.QPlainTextEdit))
         super().__init__(None, QtCore.Qt.ToolTip)
-        text_edit.destroyed.connect(lambda: self.deleteLater())
+
+        # This necessary to avoid an error when the widget was already
+        # deleted.
+        # Fixes jupyter/qtconsole#507
+        try:
+            text_edit.destroyed.connect(lambda: self.deleteLater())
+        except RuntimeError:
+            pass
 
         self._hide_timer = QtCore.QBasicTimer()
         self._text_edit = text_edit