From 99d00a7fc66be88db371691517494098199d4426 Mon Sep 17 00:00:00 2001
From: Pierre-Yves Chibon <pingou@pingoured.fr>
Date: Jul 20 2016 21:25:57 +0000
Subject: Ensure the URLs are bytes not unicode before being .strip()


---

diff --git a/hubs/widgets/library.py b/hubs/widgets/library.py
index 2169f2f..5dd4f5a 100644
--- a/hubs/widgets/library.py
+++ b/hubs/widgets/library.py
@@ -17,9 +17,9 @@ position = 'both'
           "External links must include the whole link (starting with http...")
 def data(session, widget, urls):
     urls = [
-        clean_input.clean('<a href="{0}">{0}</a>'.format(u.strip()))
+        clean_input.clean('<a href="{0}">{0}</a>'.format(u.encode('utf-8').strip()))
         for u in widget.config.get('urls', '').split(',')
-        if u.strip()
+        if u.encode('utf-8').strip()
     ]
     return dict(urls=urls)