Update tools.py

tools.py

@@ -1,15 +1,15 @@
 # tools.py
 
 import pandas as pd
-from langchain_community.tools import DuckDuckGoSearchRun
+# from langchain_community.tools import DuckDuckGoSearchRun
 from pathlib import Path
-from PIL import Image
-import pytesseract
+# from PIL import Image
+# import pytesseract
 from state import AgentState
 from langchain.schema import HumanMessage 
 import regex as re
 import time
-from duckduckgo_search import DDGS
+from duckduckgo_search import ddg
 
 DEFAULT_API_URL = "https://agents-course-unit4-scoring.hf.space"
 
@@ -50,13 +50,13 @@ def web_search_tool(state: AgentState) -> AgentState:
     if not query:
         return {}  # nothing to do
 
-    ddg = DDGS()
+    # ddg = DDGS()
     max_retries = 5
     result_text = ""
 
     for attempt in range(1, max_retries + 1):
         try:
-            result_text = ddg(query, max_results=5)
+            result_text = str(ddg(query, max_results=5))
         except Exception as e:
             # Network error or timeout—retry up to max_retries
             if attempt < max_retries: