Update helper.py

helper.py

@@ -31,7 +31,7 @@ def get_fn(model_name: str, **model_kwargs):
                 messages.append({"role": "assistant", "content": assistant_msg})
             messages.append({"role": "user", "content": message})
 
-            response = openai.chat.completions.create(
+            response = client.chat.completions.create(
                 model=model_name,
                 messages=messages,
                 temperature=temperature,