From 2c0d9c6217f994b2742ff4e8e3fba7c7469b9f81 Mon Sep 17 00:00:00 2001
From: Yen Chi Hsuan <yan12125@gmail.com>
Date: Thu, 21 Apr 2016 13:06:06 +0800
Subject: [PATCH] [extractor/common] Allow empty post data

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

diff --git a/youtube_dl/extractor/common.py b/youtube_dl/extractor/common.py
index 5269059d0..02cd2c003 100644
--- a/youtube_dl/extractor/common.py
+++ b/youtube_dl/extractor/common.py
@@ -382,7 +382,7 @@ class InfoExtractor(object):
         else:
             if query:
                 url_or_request = update_url_query(url_or_request, query)
-            if data or headers:
+            if data is not None or headers:
                 url_or_request = sanitized_Request(url_or_request, data, headers)
         try:
             return self._downloader.urlopen(url_or_request)