[cleanup] Add more ruff rules (#10149)

Authored by: seproDev

Reviewed-by: bashonly <88596187+bashonly@users.noreply.github.com>
Reviewed-by: Simon Sawicki <contact@grub4k.xyz>

yt_dlp/extractor/ettutv.py

@@ -56,5 +56,5 @@ class EttuTvIE(InfoExtractor):
                 'thumbnail': ('image', {url_or_none}),
                 'timestamp': ('date', {unified_timestamp}),
                 'is_live': ('isLivestream', {bool_or_none}),
-            })
+            }),
         }