From eb4157fd173ced14753b92c943dc3c3ab0b5b67f Mon Sep 17 00:00:00 2001
From: Philipp Hagemeister <phihag@phihag.de>
Date: Fri, 14 Nov 2014 00:39:32 +0100
Subject: [PATCH] [utils] Fix struct.pack call on very old Python versions
 (#4181)

---
 youtube_dl/utils.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/youtube_dl/utils.py b/youtube_dl/utils.py
index 5786fa699..7460d8701 100644
--- a/youtube_dl/utils.py
+++ b/youtube_dl/utils.py
@@ -843,7 +843,7 @@ def bytes_to_intlist(bs):
 def intlist_to_bytes(xs):
     if not xs:
         return b''
-    return struct.pack('%dB' % len(xs), *xs)
+    return struct_pack('%dB' % len(xs), *xs)
 
 
 # Cross-platform file locking