Update app.py

app.py

@@ -9,12 +9,13 @@ from smolagents import CodeAgent, DuckDuckGoSearchTool, InferenceClientModel, Py
 DEFAULT_API_URL = "https://agents-course-unit4-scoring.hf.space"
 
 # --- Hugging Face API Key ---
-HF_API_KEY = "your_huggingface_api_key_here"  # <-- Replace with your key
+HF_API_KEY = os.environ["HF_TOKEN"]
 
 # --- Initialize Hugging Face Model ---
 model = InferenceClientModel(
     model_id="google/embeddinggemma-300m",  # example HF chat model
     token=HF_API_KEY
+    HF_API_URL = f"https://api-inference.huggingface.co/models/{google/embeddinggemma-300m}"
 )
 
 # --- Basic Agent Definition ---