Update app.py

app.py

@@ -67,13 +67,18 @@ class SmartAgent:
         self.hf_token = os.getenv("HF_TOKEN")
         if not self.hf_token:
             raise ValueError("HF_TOKEN environment variable not set!")
-        self.api_url = "https://api-inference.huggingface.co/models/Qwen/Qwen2.5-72B-Instruct/v1/chat/completions"
-        self.headers = {"Authorization": f"Bearer {self.hf_token}"}
-        print("SmartAgent initialized with Qwen2.5-72B (HF Inference API - FREE)")
+        # Use HF Inference Providers (new format)
+        self.api_url = "https://api-inference.huggingface.co/v1/chat/completions"
+        self.model = "Qwen/Qwen2.5-72B-Instruct"
+        self.headers = {
+            "Authorization": f"Bearer {self.hf_token}",
+            "Content-Type": "application/json"
+        }
+        print(f"SmartAgent initialized with {self.model} (HF Inference API - FREE)")
 
     def call_llm(self, messages: list) -> str:
         payload = {
-            "model": "Qwen/Qwen2.5-72B-Instruct",
+            "model": self.model,
             "messages": messages,
             "max_tokens": 1024,
             "temperature": 0.1,
@@ -230,7 +235,7 @@ with gr.Blocks() as demo:
         **Powered by Qwen2.5-72B via HuggingFace Inference API (FREE)**
 
         **Instructions:**
-        1. Make sure `HF_TOKEN` is set in your Space secrets (your HF access token)
+        1. Make sure `HF_TOKEN` is set in your Space secrets
         2. Log in with your Hugging Face account below
         3. Click **Run Evaluation & Submit All Answers**
         """