Update app.py

app.py

@@ -71,7 +71,7 @@ final_answer = FinalAnswerTool()
 # )
 model = LiteLLMModel(
     # model_id="ollama_chat/qwen2:7b",  # Or try other Ollama-supported models 
-    model_id="qwen2:7b",  # Or try other Ollama-supported models 
+    model_id="ollama/qwen2:7b",  # Or try other Ollama-supported models 
     # model_id="gemma3:1b",
     # api_base="https://127.0.0.1:11434",
     api_base="http://localhost:11434",  # Default Ollama local server