From e80a6b60bb898599286046714c50412e587bc427 Mon Sep 17 00:00:00 2001
From: Pedro Silva <psilva+git@pedrosilva.pt>
Date: Sun, 17 Nov 2013 20:52:33 +0100
Subject: [PATCH] remove assertion fail caused by previous commit

---
 beets/ui/__init__.py | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/beets/ui/__init__.py b/beets/ui/__init__.py
index 6b4449d0d..08ed440f5 100644
--- a/beets/ui/__init__.py
+++ b/beets/ui/__init__.py
@@ -709,8 +709,7 @@ def vararg_callback(option, opt_str, value, parser):
     Details:
     http://docs.python.org/2/library/optparse.html#callback-example-6-variable-arguments
     """
-    assert value is None
-    value = []
+    value = [value]
 
     def floatable(str):
         try: