minor fix

tradingagents/dataflows/interface.py

@@ -133,7 +133,7 @@ def get_vendor(category: str, method: str = None) -> str:
     # Fall back to category-level configuration
     return config.get("data_vendors", {}).get(category, "default")
 
-def route_to_vender(method: str, *args, **kwargs):
+def route_to_vendor(method: str, *args, **kwargs):
     """Route method calls to appropriate vendor implementation."""
     category = get_category_for_method(method)
     vendor_config = get_vendor(category, method)