From a095a8bb07b007b386637e0819682691ff463df7 Mon Sep 17 00:00:00 2001
From: Damien Elmes <gpg@ankiweb.net>
Date: Fri, 8 May 2020 15:25:54 +1000
Subject: [PATCH] fix due of preview cards being reset

https://anki.tenderapp.com/discussions/ankidesktop/41243-undo-function-causes-error-in-filtered-decks
---
 pylib/anki/collection.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pylib/anki/collection.py b/pylib/anki/collection.py
index 90c13bee1..8b151ad91 100644
--- a/pylib/anki/collection.py
+++ b/pylib/anki/collection.py
@@ -950,7 +950,7 @@ select id from cards where odid > 0 and did in %s"""
         self.db.execute(
             """
 update cards set due=1000000+due%1000000,mod=?,usn=? where due>=1000000
-and type=0""",
+and type=0 and queue!=4""",
             intTime(),
             self.usn(),
         )