From 0a268c6e11e9fb55f41b474497997bff61d97cd2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sergey=20M=E2=80=A4?= <dstftw@gmail.com>
Date: Wed, 14 Jun 2017 22:02:15 +0700
Subject: [PATCH] [extractor/common] Improve jwplayer formats extraction
 (closes #13379)

---
 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 f027447c8..941385ae2 100644
--- a/youtube_dl/extractor/common.py
+++ b/youtube_dl/extractor/common.py
@@ -2328,6 +2328,8 @@ class InfoExtractor(object):
         urls = []
         formats = []
         for source in jwplayer_sources_data:
+            if not isinstance(source, dict):
+                continue
             source_url = self._proto_relative_url(source.get('file'))
             if not source_url:
                 continue