From ec16718584b299e84e34bde7234fbf26ed9c09d0 Mon Sep 17 00:00:00 2001
From: Damien Elmes <git@ichi2.net>
Date: Thu, 19 Apr 2012 20:38:11 +0900
Subject: [PATCH] don't throw error when preferences accessed via profiles
 screen

---
 aqt/preferences.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/aqt/preferences.py b/aqt/preferences.py
index 79ad27deb..66337b2b8 100644
--- a/aqt/preferences.py
+++ b/aqt/preferences.py
@@ -4,12 +4,15 @@
 
 import datetime, time, os
 from aqt.qt import *
-from aqt.utils import openFolder, showWarning, getText, openHelp
+from aqt.utils import openFolder, showWarning, getText, openHelp, showInfo
 import aqt
 
 class Preferences(QDialog):
 
     def __init__(self, mw):
+        if not mw.col:
+            showInfo(_("Please open a profile first."))
+            return
         QDialog.__init__(self, mw, Qt.Window)
         self.mw = mw
         self.prof = self.mw.pm.profile