From eca6ecf90faea01014fbe4f1a9d339a190ef97cb Mon Sep 17 00:00:00 2001
From: Damien Elmes <git@ichi2.net>
Date: Wed, 18 Apr 2018 13:21:10 +1000
Subject: [PATCH] hack around premature completer deletion

haven't been able to identify why qt sometimes deletes the completer
early, so just suppress the error for now

https://anki.tenderapp.com/discussions/beta-testing/884-freeze-and-sigabrt-when-add-dialog-is-left-open-for-about-one-hour-and-used-afterwards#comment_44837119
---
 aqt/tagedit.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/aqt/tagedit.py b/aqt/tagedit.py
index 547e7c164..fe58819bb 100644
--- a/aqt/tagedit.py
+++ b/aqt/tagedit.py
@@ -79,6 +79,8 @@ class TagEdit(QLineEdit):
         self.completer.popup().hide()
 
     def hideCompleter(self):
+        if sip.isdeleted(self.completer):
+            return
         self.completer.popup().hide()
 
 class TagCompleter(QCompleter):