Update app.py

app.py

@@ -129,7 +129,7 @@ def should_continue(state: AgentState) -> str:
 def reasoning_node(state: AgentState) -> AgentState:
     """Agent reasoning and tool selection"""
     # Get Hugging Face API token from environment
-    token = os.environ.get("HF_API_TOKEN")
+    token = os.environ.get("HF_TOKEN")
     if not token:
         raise ValueError("Hugging Face API token not found in environment variables")