From f225bec50ba4e60158e2ad8d9a2bdd230715bab8 Mon Sep 17 00:00:00 2001
From: Damien Elmes <git@ichi2.net>
Date: Fri, 25 May 2012 11:55:02 +0900
Subject: [PATCH] make sure empty estimates don't reposition buttons

---
 aqt/reviewer.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/aqt/reviewer.py b/aqt/reviewer.py
index db9849205..d79133ca1 100644
--- a/aqt/reviewer.py
+++ b/aqt/reviewer.py
@@ -608,7 +608,7 @@ function showAnswer(txt) {
     def _buttonTime(self, i):
         if not self.mw.col.conf['estTimes']:
             return "<div class=spacer></div>"
-        txt = self.mw.col.sched.nextIvlStr(self.card, i, True)
+        txt = self.mw.col.sched.nextIvlStr(self.card, i, True) or "&nbsp;"
         return '<span class=nobold>%s</span><br>' % txt
 
     # Leeches