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-rw-r--r--youtube_dl/extractor/common.py2
1 files changed, 2 insertions, 0 deletions
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'))