From b43bba1d469bf6a17e5fdab0f7cc4385bf193e8c Mon Sep 17 00:00:00 2001
From: Damien Elmes <damien@ichi2.net>
Date: Sun, 28 Sep 2008 16:16:06 +0900
Subject: [PATCH] only remove session if currently active

---
 anki/deck.py | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/anki/deck.py b/anki/deck.py
index 382524498..0470b1476 100644
--- a/anki/deck.py
+++ b/anki/deck.py
@@ -1217,9 +1217,10 @@ Return new path, relative to media dir."""
         self.s.commit()
 
     def close(self):
-        self.s.rollback()
-        self.s.clear()
-        self.s.close()
+        if self.s:
+            self.s.rollback()
+            self.s.clear()
+            self.s.close()
         self.engine.dispose()
 
     def rollback(self):