From d9cd3fd0b0b77185c7be38bf300815777e884be3 Mon Sep 17 00:00:00 2001
From: Charles Haley <>
Date: Sat, 4 Dec 2010 14:10:35 +0000
Subject: [PATCH] Fix problem with sorting in collections

---
 src/calibre/devices/usbms/books.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/calibre/devices/usbms/books.py b/src/calibre/devices/usbms/books.py
index 4a74f68349..9e19e9c66d 100644
--- a/src/calibre/devices/usbms/books.py
+++ b/src/calibre/devices/usbms/books.py
@@ -237,7 +237,10 @@ class CollectionsBookList(BookList):
                 return 1
             if y is None:
                 return -1
-            c = cmp(sort_key(x), sort_key(y))
+            if isinstance(x, unicode):
+                c = cmp(sort_key(x), sort_key(y))
+            else:
+                c = cmp(x, y)
             if c != 0:
                 return c
             # same as above -- no sort_key needed here