Update app.py

app.py

@@ -22,12 +22,11 @@ DEFAULT_API_URL = "https://agents-course-unit4-scoring.hf.space"
 cache = {}
 
 
-web_search = Tool(
-    name="duck_duck_go_search", 
-    func=DuckDuckGoSearch().run,
-    description="Use this tool to search the web using DuckDuckGo."
-)
 
+class WebSearchTool(DuckDuckGoSearchTool):
+    name = "web_search_ddg"
+    description = "Search the web using DuckDuckGo"
+web_search_ddf = WebSearchTool()
 google_search = GoogleSearchTool(provider="serper")
 python_interpreter = PythonInterpreterTool(authorized_imports = [
     # standard library
@@ -132,7 +131,7 @@ class BasicAgent:
         print("BasicAgent initialized.")
         self.agent = CodeAgent(
             model=model,
-            tools=[google_search,web_search, python_interpreter, visit_webpage_tool, wiki_tool,lc_wikipedia,lc_arxiv,lc_pubmed,lc_stackechange],
+            tools=[google_search,web_search_ddf, python_interpreter, visit_webpage_tool, wiki_tool,lc_wikipedia,lc_arxiv,lc_pubmed,lc_stackechange],
             max_steps=10,
             verbosity_level=1,
             grammar=None,