From bd8f60f65e53ba41e806b1dca0ffa6fd5259f55c Mon Sep 17 00:00:00 2001
From: Pier CeccoPierangioliEugenio
 <ceccopierangiolieugenio@users.noreply.github.com>
Date: Sun, 20 Jul 2025 21:18:05 +0100
Subject: [PATCH] fix(treeWidget): avoid crash when the content size is
 required for empty models (#426)

---
 libs/pyTermTk/TermTk/TTkWidgets/TTkModelView/treewidget.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libs/pyTermTk/TermTk/TTkWidgets/TTkModelView/treewidget.py b/libs/pyTermTk/TermTk/TTkWidgets/TTkModelView/treewidget.py
index ae6b109c..8ee3997e 100644
--- a/libs/pyTermTk/TermTk/TTkWidgets/TTkModelView/treewidget.py
+++ b/libs/pyTermTk/TermTk/TTkWidgets/TTkModelView/treewidget.py
@@ -346,6 +346,8 @@ class TTkTreeWidget(TTkAbstractScrollView):
 
     def resizeColumnToContents(self, column:int) -> None:
         '''resizeColumnToContents'''
+        if not self._cache:
+            return
         contentSize = max(row.data[column].termWidth() for row in self._cache)
         self.setColumnWidth(column, contentSize)