diff --git a/yt_dlp/extractor/youtube.py b/yt_dlp/extractor/youtube.py
index 65fa53b067..8e812c73c0 100644
--- a/yt_dlp/extractor/youtube.py
+++ b/yt_dlp/extractor/youtube.py
@@ -3635,7 +3635,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
                 'author_is_uploader': ('author', 'isCreator', {bool}),
                 'author_is_verified': ('author', 'isVerified', {bool}),
                 'author_is_member': ('author', 'sponsorBadgeA11y', {str}),
-                'author_member_badge': ('author', 'sponsorBadgeUrl', {url_or_none}),                
+                'author_member_badge': ('author', 'sponsorBadgeUrl', {url_or_none}),               
                 'author_url': ('author', 'channelCommand', 'innertubeCommand', (
                     ('browseEndpoint', 'canonicalBaseUrl'), ('commandMetadata', 'webCommandMetadata', 'url'),
                 ), {lambda x: urljoin('https://www.youtube.com', x)}),