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-rw-r--r--yt_dlp/YoutubeDL.py3
1 files changed, 2 insertions, 1 deletions
diff --git a/yt_dlp/YoutubeDL.py b/yt_dlp/YoutubeDL.py
index ec69151d7..b5a2581c6 100644
--- a/yt_dlp/YoutubeDL.py
+++ b/yt_dlp/YoutubeDL.py
@@ -3685,7 +3685,7 @@ class YoutubeDL(object):
self.write_debug(f'Skipping writing {label} thumbnail')
return ret
- for t in thumbnails[::-1]:
+ for idx, t in list(enumerate(thumbnails))[::-1]:
thumb_ext = (f'{t["id"]}.' if multiple else '') + determine_ext(t['url'], 'jpg')
thumb_display_id = f'{label} thumbnail {t["id"]}'
thumb_filename = replace_extension(filename, thumb_ext, info_dict.get('ext'))
@@ -3706,6 +3706,7 @@ class YoutubeDL(object):
ret.append((thumb_filename, thumb_filename_final))
t['filepath'] = thumb_filename
except network_exceptions as err:
+ thumbnails.pop(idx)
self.report_warning(f'Unable to download {thumb_display_id}: {err}')
if ret and not write_all:
break