Update app.py

app.py

@@ -7,10 +7,10 @@ import requests
 import random
 import urllib.parse
 from tempfile import NamedTemporaryFile
-from typing import List
+from typing import List, Dict, Optional
 from bs4 import BeautifulSoup
 import logging
-from duckduckgo_search import ddg
+from duckduckgo_search import DDGS
 
 from langchain_community.llms import HuggingFaceHub
 from langchain_community.vectorstores import FAISS
@@ -152,7 +152,8 @@ def google_search(term, num_results=5, lang="en", timeout=5, safe="active", ssl_
 
 def duckduckgo_search(query, max_results=5):
     try:
-        results = ddg(query, region='wt-wt', safesearch='Moderate', time=None, max_results=max_results)
+        search = DDGSearch()
+        results = search.text(query, max_results=max_results)
         formatted_results = []
         for result in results:
             formatted_results.append({
@@ -163,6 +164,7 @@ def duckduckgo_search(query, max_results=5):
     except Exception as e:
         print(f"Error in DuckDuckGo search: {e}")
         return [{"link": None, "text": "No information found in the web search results."}]
+Now, let's update the imports at the begin
 
 def respond(
     message,