Fix pas de résultats et erreur 500

backend/src/models/crud.py

@@ -178,7 +178,6 @@ def get_tracks(
                 query = query.filter(AudioTrack.instruments.any(instrument))
             # Second, track's instruments array length must match the specified instruments count
             # This is PostgreSQL specific - we check that the array has exactly the same elements
-            from sqlalchemy import func
             query = query.filter(func.array_length(AudioTrack.instruments, 1) == len(instruments))
         else:
             # Track must have ALL specified instruments (but can have others too)