Update agent.py

agent.py

@@ -103,7 +103,7 @@ print("\n")
 # Test case: Basic web search
 print("--- Test Case 1: Basic Search ---")
 query1 = "Principle of double effect"
-result1 = search_web.invoke(query1)
+result1 = tavily_search_tool.invoke(query1)
 print(f"Query: '{query1}'")
 print(f"Result Type: {type(result1)}")
 print(f"Result (first 500 chars): {result1[:500]}...")