Update tools.py

tools.py

@@ -9,7 +9,7 @@ from state import AgentState
 from langchain.schema import HumanMessage 
 import regex as re
 import time
-from duckduckgo_search import ddg
+from duckduckgo_search import ddg_search
 
 DEFAULT_API_URL = "https://agents-course-unit4-scoring.hf.space"
 
@@ -56,7 +56,7 @@ def web_search_tool(state: AgentState) -> AgentState:
 
     for attempt in range(1, max_retries + 1):
         try:
-            result_text = str(ddg(query, max_results=5))
+            result_text = str(ddg_search(query, max_results=5))
         except Exception as e:
             # Network error or timeout—retry up to max_retries
             if attempt < max_retries: