Update app.py

app.py

@@ -15,6 +15,13 @@ from llama_index.core import (
 )
 from llama_index.llms.openai import OpenAI
 
+#per i file multimediali
+import base64
+import json
+import requests
+from PIL import Image
+from io import BytesIO
+
 NUMERO_DOMANDE_TOTALE = 1
 
 set_global_handler("simple")  # imposta un handler semplice per il logging