From: Sergey M. <dstftw@gmail.com>
Date: Tue, 17 Mar 2015 13:58:34 +0000 (+0600)
Subject: Merge pull request #5116 from yan12125/letv_fix
X-Git-Url: http://git.bitcoin.ninja/index.cgi?p=youtube-dl;a=commitdiff_plain;h=cf47794f09ca13bfb16acc0903f13530a3f2d0f8;hp=c06a9f8730f41fb24835d482114403f227bc8421

Merge pull request #5116 from yan12125/letv_fix

[Letv] Fix test_Letv and test_Letv_1 failures in python 3
---

diff --git a/youtube_dl/extractor/letv.py b/youtube_dl/extractor/letv.py
index 85eee141b..9ed81a199 100644
--- a/youtube_dl/extractor/letv.py
+++ b/youtube_dl/extractor/letv.py
@@ -88,9 +88,10 @@ class LetvIE(InfoExtractor):
         play_json_req = compat_urllib_request.Request(
             'http://api.letv.com/mms/out/video/playJson?' + compat_urllib_parse.urlencode(params)
         )
-        play_json_req.add_header(
-            'Ytdl-request-proxy',
-            self._downloader.params.get('cn_verification_proxy'))
+        cn_verification_proxy = self._downloader.params.get('cn_verification_proxy')
+        if cn_verification_proxy:
+            play_json_req.add_header('Ytdl-request-proxy', cn_verification_proxy)
+
         play_json = self._download_json(
             play_json_req,
             media_id, 'playJson data')