[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/mojvideo.py

@@ -17,7 +17,7 @@ class MojvideoIE(InfoExtractor):
             'title': 'V avtu pred mano rdečelaska - Alfi Nipič',
             'thumbnail': r're:^http://.*\.jpg$',
             'duration': 242,
-        }
+        },
     }
 
     def _real_extract(self, url):
@@ -27,12 +27,12 @@ class MojvideoIE(InfoExtractor):
 
         # XML is malformed
         playerapi = self._download_webpage(
-            'http://www.mojvideo.com/playerapi.php?v=%s&t=1' % video_id, display_id)
+            f'http://www.mojvideo.com/playerapi.php?v={video_id}&t=1', display_id)
 
         if '<error>true</error>' in playerapi:
             error_desc = self._html_search_regex(
                 r'<errordesc>([^<]*)</errordesc>', playerapi, 'error description', fatal=False)
-            raise ExtractorError('%s said: %s' % (self.IE_NAME, error_desc), expected=True)
+            raise ExtractorError(f'{self.IE_NAME} said: {error_desc}', expected=True)
 
         title = self._html_extract_title(playerapi)
         video_url = self._html_search_regex(