From f7590d47641cedbf630b909aa8f53930c4a9ce5c Mon Sep 17 00:00:00 2001
From: pukkandan <pukkandan.ytdlp@gmail.com>
Date: Thu, 16 Sep 2021 00:31:22 +0530
Subject: [PATCH] [vrv] Don't raise error when thumbnails are missing Closes
 #983

---
 yt_dlp/extractor/vrv.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/yt_dlp/extractor/vrv.py b/yt_dlp/extractor/vrv.py
index 44f90acbd..419602148 100644
--- a/yt_dlp/extractor/vrv.py
+++ b/yt_dlp/extractor/vrv.py
@@ -218,7 +218,7 @@ def _real_extract(self, url):
                 })
 
         thumbnails = []
-        for thumbnail in traverse_obj(video_data, ('images', 'thumbnail', ..., ...)):
+        for thumbnail in traverse_obj(video_data, ('images', 'thumbnail', ..., ...)) or []:
             thumbnail_url = thumbnail.get('source')
             if not thumbnail_url:
                 continue