From fc2119f21057b56a67fa9bcfcad37f8444a4dcd5 Mon Sep 17 00:00:00 2001
From: shirt-dev <2660574+shirt-dev@users.noreply.github.com>
Date: Thu, 11 Feb 2021 11:01:34 -0500
Subject: [PATCH] #76 Fix for empty HTTP head requests

Related: https://github.com/ytdl-org/youtube-dl/issues/7181

Authored-by: shirtjs <2660574+shirtjs@users.noreply.github.com> (shirt-dev)
---
 youtube_dlc/utils.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/youtube_dlc/utils.py b/youtube_dlc/utils.py
index f4ee52afb..8f051cd1b 100644
--- a/youtube_dlc/utils.py
+++ b/youtube_dlc/utils.py
@@ -2609,6 +2609,8 @@ def http_open(self, req):
 
     @staticmethod
     def deflate(data):
+        if not data:
+            return data
         try:
             return zlib.decompress(data, -zlib.MAX_WBITS)
         except zlib.error: