From 5c9ced9504bd2ceb8e55a929124aad2091b23403 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sergey=20M=E2=80=A4?= <dstftw@gmail.com>
Date: Mon, 2 May 2016 18:19:00 +0600
Subject: [PATCH] [vevo] Improve genre extraction

---
 youtube_dl/extractor/vevo.py | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/youtube_dl/extractor/vevo.py b/youtube_dl/extractor/vevo.py
index 63eab4148..3cb0343e6 100644
--- a/youtube_dl/extractor/vevo.py
+++ b/youtube_dl/extractor/vevo.py
@@ -5,6 +5,7 @@ import re
 from .common import InfoExtractor
 from ..compat import (
     compat_etree_fromstring,
+    compat_str,
     compat_urlparse,
 )
 from ..utils import (
@@ -116,6 +117,10 @@ class VevoIE(VevoBaseIE):
             'genre': 'Pop',
         },
         'expected_warnings': ['Failed to download video versions info'],
+    }, {
+        # no genres available
+        'url': 'http://www.vevo.com/watch/INS171400764',
+        'only_matching': True,
     }]
     _SMIL_BASE_URL = 'http://smil.lvl3.vevo.com'
     _SOURCE_TYPES = {
@@ -339,7 +344,11 @@ class VevoIE(VevoBaseIE):
         if featured_artist:
             artist = '%s ft. %s' % (artist, featured_artist)
         title = '%s - %s' % (artist, track) if artist else track
-        genre = video_info.get('genres', [None])[0]
+
+        genres = video_info.get('genres')
+        genre = (
+            genres[0] if genres and isinstance(genres, list) and
+            isinstance(genres[0], compat_str) else None)
 
         is_explicit = video_info.get('isExplicit')
         if is_explicit is True: