From 7698ef1eb9704e39f1386cc8b99c5fbd3a112645 Mon Sep 17 00:00:00 2001
From: David Grigg <membership@thegriggs.org>
Date: Fri, 29 Dec 2023 21:09:41 +1100
Subject: [PATCH] Fixed return type to satisfy mypy check

---
 se/se_epub_generate_toc.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/se/se_epub_generate_toc.py b/se/se_epub_generate_toc.py
index d1b10763..11d1ce8e 100644
--- a/se/se_epub_generate_toc.py
+++ b/se/se_epub_generate_toc.py
@@ -474,7 +474,7 @@ def get_toc_id_for_special_item(node: EasyXmlElement) -> str:
 		toc_id = parent.get_attr("id")
 		if toc_id:
 			return toc_id
-	return None
+	return ""
 		
 
 def get_level(node: EasyXmlElement, toc_list: list) -> int: