Update app.py

app.py

@@ -16,10 +16,10 @@ def get_current_weather(location, unit="celsius"):
         return json.dumps({"location": location, "temperature": "unknown"})
 
 @retry(wait=wait_random_exponential(multiplier=1, max=40), stop=stop_after_attempt(3))
-def chat_completion_request(messages, tools=None, tool_choice=None, model=GPT_MODEL):
+def chat_completion_request(messages, tools=None, tool_choice=None):
     try:
         response = client.chat.completions.create(
-            model=model,
+            model='gpt-4o',
             messages=messages,
             tools=tools,
             tool_choice=tool_choice,