From 98777ee82561ae205f156a7f8497728aecfa080c Mon Sep 17 00:00:00 2001
From: James Taylor <user234683@users.noreply.github.com>
Date: Wed, 18 Dec 2019 19:39:16 -0800
Subject: Extraction: Rewrite item_extraction for better error handling and
 readability, rename extracted names for more consistency

---
 youtube/util.py | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'youtube/util.py')

diff --git a/youtube/util.py b/youtube/util.py
index 474e7b5..9023b98 100644
--- a/youtube/util.py
+++ b/youtube/util.py
@@ -310,6 +310,8 @@ def uppercase_escape(s):
          lambda m: chr(int(m.group(1), base=16)), s)
 
 def prefix_url(url):
+    if url is None:
+        return None
     url = url.lstrip('/')     # some urls have // before them, which has a special meaning
     return '/' + url
 
-- 
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