Update agent.py

agent.py

@@ -52,7 +52,10 @@ def modulus(a: int, b: int) -> int:
 search_tool = DuckDuckGoSearchTool()
 web_search = VisitWebpageTool()
 #=======Agent========#
-model = InferenceClientModel('Qwen/Qwen2.5-Coder-32B-Instruct')
+hf_token = os.environ.get("HF_TOKEN")
+        if not hf_token:
+            raise ValueError("HF_TOKEN not found in environment variables. Please set it in Space Secrets or login via huggingface-cli.")
+model = InferenceClientModel(token=hf_token,'Qwen/Qwen2.5-Coder-32B-Instruct')
 agent = CodeAgent(
     tools=[
     multiply,