Update app.py

app.py

@@ -66,7 +66,7 @@ chat_history = []
 def answer_question(question):
     global chat_history
     result = chain({"question": question, "chat_history": chat_history})
-    fonti = "\n==================================\nFONTI"
+    fonti = "\n\n==================================\nFONTI:\n"
     source_documents = result['source_documents']
     for index, document in enumerate(source_documents):
         fonti=fonti+f"Fonte {index + 1}:\n"