From 73d66ab5e7b643c626c2ce39f1150b2efac5b49b Mon Sep 17 00:00:00 2001
From: aclist <92275929+aclist@users.noreply.github.com>
Date: Sat, 16 May 2026 20:10:26 +0900
Subject: [PATCH] fix: support empty lists in extend()

---
 dzgui/model/model_factory.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/dzgui/model/model_factory.py b/dzgui/model/model_factory.py
index c0b87f3..ed1ccdc 100644
--- a/dzgui/model/model_factory.py
+++ b/dzgui/model/model_factory.py
@@ -95,6 +95,8 @@ class FastInsertListStore(ListStore):
         expected_types = [
             GTYPE_TO_PYTHON[self.get_column_type(i)] for i in range(n_cols)
         ]
+        if len(rows) == 0:
+            return
         if not self._is_same_length(rows):
             raise ValueError("Sublists are not of uniform length")
         if not self._is_type_homogeneous(rows):