From 96a2daa1ee5de9ddff5d0180fccb8376725de60c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sergey=20M=E2=80=A4?= <dstftw@gmail.com>
Date: Thu, 15 Jun 2017 23:40:39 +0700
Subject: [PATCH] [extractor/common] Improve jwplayer subtitles extraction

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

diff --git a/youtube_dl/extractor/common.py b/youtube_dl/extractor/common.py
index 6e415ea41..9751ab021 100644
--- a/youtube_dl/extractor/common.py
+++ b/youtube_dl/extractor/common.py
@@ -2299,6 +2299,8 @@ class InfoExtractor(object):
             tracks = video_data.get('tracks')
             if tracks and isinstance(tracks, list):
                 for track in tracks:
+                    if not isinstance(track, dict):
+                        continue
                     if track.get('kind') != 'captions':
                         continue
                     track_url = urljoin(base_url, track.get('file'))