fix setting tag

make_folders.py

@@ -236,9 +236,12 @@ def check_title_songname(x: str, audio):
         # Set both TPE1 (song artist) and TPE2 (album artist)
         audio["TPE1"] = TPE1(encoding=3, text=artist)
         audio["TPE2"] = TPE2(encoding=3, text=artist)
+        # Only set 'artist' as a string for FLAC, not for MP3
+        if hasattr(audio, 'mime') and audio.mime and 'flac' in audio.mime[0].lower():
             audio["artist"] = artist
         # Set title tags
         audio["TIT2"] = TIT2(encoding=3, text=title)
+        if hasattr(audio, 'mime') and audio.mime and 'flac' in audio.mime[0].lower():
             audio["title"] = title
         logging.info(f"Set artist: {artist}, title: {title}")
     else: