/usr/share/pyshared/quodlibet/formats/ is in exfalso 2.4-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/pyshared/quodlibet/formats/__init__.py
/usr/share/pyshared/quodlibet/formats/_album.py
/usr/share/pyshared/quodlibet/formats/_apev2.py
/usr/share/pyshared/quodlibet/formats/_audio.py
/usr/share/pyshared/quodlibet/formats/_id3.py
/usr/share/pyshared/quodlibet/formats/mod.py
/usr/share/pyshared/quodlibet/formats/mp3.py
/usr/share/pyshared/quodlibet/formats/mp4.py
/usr/share/pyshared/quodlibet/formats/mpc.py
/usr/share/pyshared/quodlibet/formats/remote.py
/usr/share/pyshared/quodlibet/formats/spc.py
/usr/share/pyshared/quodlibet/formats/trueaudio.py
/usr/share/pyshared/quodlibet/formats/wav.py
/usr/share/pyshared/quodlibet/formats/wavpack.py
/usr/share/pyshared/quodlibet/formats/wma.py
/usr/share/pyshared/quodlibet/formats/xiph.py