From bd8d8919b29404879c699f510d03cbfea422175e Mon Sep 17 00:00:00 2001
From: Joshua Lochner <admin@xenova.com>
Date: Mon, 29 Nov 2021 18:25:14 +0200
Subject: [PATCH] Raise `TranscriptsDisabled` if
 'playerCaptionsTracklistRenderer' is not found (Fixes #136)

---
 youtube_transcript_api/_transcripts.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/youtube_transcript_api/_transcripts.py b/youtube_transcript_api/_transcripts.py
index 8240420..d7fd5b3 100644
--- a/youtube_transcript_api/_transcripts.py
+++ b/youtube_transcript_api/_transcripts.py
@@ -60,7 +60,9 @@ class TranscriptListFetcher(object):
 
         captions_json = json.loads(
             splitted_html[1].split(',"videoDetails')[0].replace('\n', '')
-        )['playerCaptionsTracklistRenderer']
+        ).get('playerCaptionsTracklistRenderer')
+        if captions_json is None:
+            raise TranscriptsDisabled(video_id)
 
         if 'captionTracks' not in captions_json:
             raise NoTranscriptAvailable(video_id)