[vrv] Fix thumbnail extraction (#634)

Authored by: funniray

diff --git a/yt_dlp/extractor/vrv.py b/yt_dlp/extractor/vrv.py
index 6e51469b094363879749bf2926714662e26a1858..44f90acbdfb6e493f4ad5400a55318b0ac43e91e 100644 (file)
--- a/yt_dlp/extractor/vrv.py
+++ b/yt_dlp/extractor/vrv.py
@@ -19,6 +19,7 @@
     ExtractorError,
     float_or_none,
     int_or_none,
+    traverse_obj,
 )
 
 
@@ -217,7 +218,7 @@ def _real_extract(self, url):
                 })
 
         thumbnails = []
-        for thumbnail in video_data.get('images', {}).get('thumbnails', []):
+        for thumbnail in traverse_obj(video_data, ('images', 'thumbnail', ..., ...)):
             thumbnail_url = thumbnail.get('source')
             if not thumbnail_url:
                 continue