From 5d92cfadd1ddbee5abd45208190ceb4955857d6a Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Sat, 5 Sep 2020 05:40:15 +0530
Subject: [PATCH] Avoid printing traceback if checking for dirtied annotations
 fails during shutdown

---
 src/calibre/db/backup.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/calibre/db/backup.py b/src/calibre/db/backup.py
index db9e4931c9..2218956ba9 100644
--- a/src/calibre/db/backup.py
+++ b/src/calibre/db/backup.py
@@ -62,6 +62,8 @@ class MetadataBackup(Thread):
             try:
                 self.db.check_dirtied_annotations()
             except Exception:
+                if self.stop_running.is_set():
+                    return
                 traceback.print_exc()
         try:
             book_id = self.db.get_a_dirtied_book()