Update _utils.py

yt_dlp/utils/_utils.py

@@ -2435,7 +2435,7 @@ class PlaylistEntries:
     @classmethod
     def parse_playlist_items(cls, string):
         if string.startswith(',') or string.endswith(','):
-           raise ValueError('There is an invalid leading comma or a trailing comma')
+            raise ValueError('There is an invalid leading comma or a trailing comma')
         for segment in string.split(','):
             if not segment:
                 raise ValueError('There are two or more consecutive commas')