From: Philipp Hagemeister <phihag@phihag.de>
Date: Fri, 22 Aug 2014 00:45:21 +0000 (+0200)
Subject: Merge remote-tracking branch 'liudongmiao/patch-subtitle'
X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=commitdiff_plain;h=bd9820c937be846e0e1067395fbf133102c45e79;hp=deda8ac376efba365aa29bc31d4e37db03d0babd;p=youtube-dl

Merge remote-tracking branch 'liudongmiao/patch-subtitle'
---

diff --git a/youtube_dl/extractor/youtube.py b/youtube_dl/extractor/youtube.py
index 2c44f36a5..225e2b7f4 100644
--- a/youtube_dl/extractor/youtube.py
+++ b/youtube_dl/extractor/youtube.py
@@ -508,6 +508,8 @@ class YoutubeIE(YoutubeBaseInfoExtractor, SubtitlesInfoExtractor):
         sub_lang_list = {}
         for l in lang_list:
             lang = l[1]
+            if lang in sub_lang_list:
+                continue
             params = compat_urllib_parse.urlencode({
                 'lang': lang,
                 'v': video_id,