Update app.py

app.py

@@ -242,7 +242,7 @@ def generate_bild(prompt, chatbot,  temperature=0.5, max_new_tokens=4048,top_p=0
     print("Bild Erzeugung DallE..............................")
     client = OpenAI()
     #als Format ginge auch 'b64_json', n - Anz. der erzeugten Bilder
-    response = client.images.generate(model="dall-e-3",prompt=prompt,size="1024x1024",quality="standard",n=1, response_format=url) 
+    response = client.images.generate(model="dall-e-3",prompt=prompt,size="1024x1024",quality="standard",n=1, response_format='url') 
     chatbot[-1][1]=image_url = response.data[0].url
     return chatbot, "Success"