Update app.py

app.py

@@ -417,7 +417,7 @@ def generate_auswahl(prompt, file, chatbot, history, rag_option, model_option, o
         if (file == None):
             history = history + [(prompt, result)]
         else:
-            history = history + [((file), None),(prompt, result)]
+            history = history + [((file,), None),(prompt, result)]
             
         print("history nach Zusatz und mit KI Antwort...........")
         print(history)