Aggiunge il token di HuggingFace

app.py

@@ -26,8 +26,13 @@ def invert_sentence(sentence: str) -> str:
 class FirstAgent:
     ### First Agent is the first attempt to develop an agent for the course. ###
     def __init__(self):
+        # Usa un modello Hugging Face gratuito invece di Nebius
+        model = InferenceClientModel(
+            token=os.getenv("HF_TOKEN")  # Token HF se necessario
+        )
+        
         self.agent = CodeAgent(
-            model=InferenceClientModel(),
+            model=model,
             tools=[
                 # DuckDuckGoSearchTool(),
                 # GoogleSearchTool(),