From 6c825970aca8f0ac026138e3072cec10d3a5cf83 Mon Sep 17 00:00:00 2001
From: Adrian Sampson <adrian@radbox.org>
Date: Wed, 28 Dec 2016 13:54:04 -0500
Subject: [PATCH] Tolerate missing AlbumInfo.mediums field

---
 beets/ui/commands.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/beets/ui/commands.py b/beets/ui/commands.py
index 0d19d7818..f7b32eefe 100755
--- a/beets/ui/commands.py
+++ b/beets/ui/commands.py
@@ -158,7 +158,7 @@ def disambig_string(info):
 
     if isinstance(info, hooks.AlbumInfo):
         if info.media:
-            if info.mediums > 1:
+            if info.mediums and info.mediums > 1:
                 disambig.append(u'{0}x{1}'.format(
                     info.mediums, info.media
                 ))