In my file, I have

from mutagen.id3 import ID3
tags = ID3(mp3_file)

Now if I do print(tags.keys())

It informs me that there’s a TXXX:FMPS_Rating_Amarok_Score

But when I attempt to print(tags["TXXX:FMPS_Rating_Amarok_Score"])

It says there’s a KeyError. What am I doing wrong?