fix prediction

app/main.py

@@ -264,7 +264,7 @@ async def handle_audio(file: UploadFile = File(...)):
         features = mlp_pca.transform(features)
 
         # Dummy example to proceed with an inference
-        results = mlp_model.predict(features)
+        results = mlp_model.predict([features])
 
         # Clean up (optional, especially if dealing with large files or sensitive data)
         os.remove(temp_filename)