updated model id

app.py

@@ -39,7 +39,7 @@ search_tool = DuckDuckGoSearchTool()
 model = HfApiModel(
 max_tokens=2096,
 temperature=0.5,
-model_id='Qwen/Qwen2.5-Coder-32B-Instruct',# it is possible that this model may be overloaded
+model_id='codellama/CodeLlama-34b-Instruct-hf',# it is possible that this model may be overloaded
 custom_role_conversions=None,
 )