From a455711170d2aa304f6a759f00b4ea95936e0d92 Mon Sep 17 00:00:00 2001
From: leavjenn <leavjenn@gmail.com>
Date: Sun, 1 Jul 2018 00:02:26 +0800
Subject: [PATCH] [npo] remove deplicate line (same as line 229)

---
 youtube_dl/extractor/npo.py | 1 -
 1 file changed, 1 deletion(-)

diff --git a/youtube_dl/extractor/npo.py b/youtube_dl/extractor/npo.py
index cb8319f0d..8e9fef9ac 100644
--- a/youtube_dl/extractor/npo.py
+++ b/youtube_dl/extractor/npo.py
@@ -282,7 +282,6 @@ class NPOIE(NPOBaseIE):
                 video_url = stream_info.get('url')
             if not video_url or video_url in urls:
                 continue
-            urls.add(item_url)
             if determine_ext(video_url) == 'm3u8':
                 formats.extend(self._extract_m3u8_formats(
                     video_url, video_id, ext='mp4',