Update app.py

app.py

@@ -30,9 +30,12 @@ def ask_openai(question):
     messages = client.beta.threads.messages.list(
         thread_id=thread.id,
     )
-    response = next((msg for msg in messages['data'] if msg['role'] == 'assistant'), None)
-    return response['content'][0]['text']['value'] if response else "No response."
+    for msg in messages:
+        if msg.role == 'assistant':
+            return msg.content[0]['text']['value']
 
+    return "No response."
+    
 examples = [
     ["My Eucalyptus tree is struggling outside in the cold weather in europe"],
     ["My callatea house plant is yellowing."],