Update app.py

app.py

@@ -446,7 +446,7 @@ def generate_bild(prompt, chatbot,  temperature=0.5, max_new_tokens=4048,top_p=0
     #Bild ausgeben
     image = Image.open(io.BytesIO(result)) 
     image_64 = umwandeln_fuer_anzeige(image)
-    chatbot.append[(prompt, "<img src='data:image/png;base64,{0}'/>".format(base64.b64encode(image_64).decode('utf-8')))]
+    chatbot= chatbot + [(prompt, "<img src='data:image/png;base64,{0}'/>".format(base64.b64encode(image_64).decode('utf-8')))]
     return chatbot, "Success"