From b41663c16b85da8fa6539f8c694260caec472804 Mon Sep 17 00:00:00 2001
From: "W. Trevor King" <wking@drexel.edu>
Date: Fri, 27 Aug 2010 17:36:35 -0400
Subject: [PATCH] Don't fail if Playlist.unload() is called on an unloaded
 Curve.

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

diff --git a/hooke/playlist.py b/hooke/playlist.py
index 69442da..80d60fb 100644
--- a/hooke/playlist.py
+++ b/hooke/playlist.py
@@ -203,7 +203,10 @@ class Playlist (NoteIndexList):
     def unload(self, curve):
         "Inverse of .`_setup_item`."
         curve.unload()
-        self._loaded.remove(curve)
+        try:
+            self._loaded.remove(curve)
+        except ValueError:
+            pass
 
 
 def playlist_path(path):
-- 
2.26.2