format, sort categories

app/routers/songs.py

@@ -26,4 +26,4 @@ async def vote(song_id: str, session_id: str, vote: int, db: Annotated[Session,
 
 @router.get("/evaluation")
 async def get_evaluation(db: Annotated[Session, Depends(get_db)] = None) -> dict[int, dict[int, int]]:
-    return get_all_songs_and_votes(db)
+    return get_all_songs_and_votes(db)