YoutubeIE: use a negative index when accessing the last element of the format list

11 years ago · d828f3a550
parent bcd6e4bd07
commit d828f3a550
1 changed files with 1 additions and 1 deletions
--- a/youtube_dl/extractor/youtube.py
+++ b/youtube_dl/extractor/youtube.py
@ -586,7 +586,7 @@ class YoutubeIE(InfoExtractor):
            if req_format is None or req_format == 'best':
                video_url_list = [(existing_formats[0], url_map[existing_formats[0]])] # Best quality
            elif req_format == 'worst':
-                video_url_list = [(existing_formats[len(existing_formats)-1], url_map[existing_formats[len(existing_formats)-1]])] # worst quality
+                video_url_list = [(existing_formats[-1], url_map[existing_formats[-1]])] # worst quality
            elif req_format in ('-1', 'all'):
                video_url_list = [(f, url_map[f]) for f in existing_formats] # All formats
            else: