From 177ced7a31be8692abcb677a93639f5d708f033c Mon Sep 17 00:00:00 2001
From: Damien Elmes <gpg@ankiweb.net>
Date: Mon, 17 Aug 2020 20:08:11 +1000
Subject: [PATCH] clear undo queue on sync

https://forums.ankiweb.net/t/ios-ipad-sync-failure-with-filtered-decks/1617/34
---
 qt/aqt/main.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/qt/aqt/main.py b/qt/aqt/main.py
index e1d680a4f..60b09a6ad 100644
--- a/qt/aqt/main.py
+++ b/qt/aqt/main.py
@@ -890,6 +890,7 @@ title="%s" %s>%s</button>""" % (
             self.media_syncer.start()
 
         def on_collection_sync_finished():
+            self.col.clearUndo()
             self.reset()
             after_sync()