Update app.py

app.py

@@ -37,7 +37,7 @@ class BasicAgent:
         self.documents = SimpleDirectoryReader("data").load_data()
 
         # Crea l'indice con la configurazione
-        self.index = VectorStoreIndex.from_documents(self.documents, settings=settings)
+        self.index = VectorStoreIndex.from_documents(self.documents, settings=Settings)
 
         # Prepara il query engine
         self.query_engine = self.index.as_query_engine()