Use deepseek coder

app.py

@@ -99,7 +99,7 @@ final_answer = FinalAnswerTool()
 model = HfApiModel(
     max_tokens=2096,
     temperature=0.5,
-    model_id='openai/gpt-oss-20b',
+    model_id='deepseek-ai/deepseek-coder-33b-instruct',
     custom_role_conversions=None,
 )