Update app.py

app.py

@@ -15,7 +15,14 @@ class BasicAgent:
     def __init__(self):
         print("BasicAgent initialized.")
 
-        self.agent = CodeAgent(tools=[DuckDuckGoSearchTool()], model=HfApiModel())
+        hf_token = os.getenv("HF_TOKEN")
+        if not hf_token:
+            raise ValueError("HF_TOKEN environment variable is not set.")
+
+        self.agent = CodeAgent(
+            tools=[DuckDuckGoSearchTool()],
+            model=HfApiModel(token=hf_token, model="microsoft/phi-2")
+        )
 
     def __call__(self, question: str) -> str:
         print(f"Agent received question (first 50 chars): {question[:50]}...")