Update tool.py

tool.py

@@ -5,7 +5,6 @@ from langchain_community.document_loaders.wikipedia import WikipediaLoader
 from langchain_community.document_loaders.arxiv import ArxivLoader
 from langchain_community.document_loaders.pubmed import PubMedLoader
 from langchain_community.tools.google_search.tool import GoogleSearchRun
-from langchain_community.tools.duckduckgo_search.tool import DuckDuckGoSearchResults
 from typing import Optional
 
 import os
@@ -93,17 +92,13 @@ def TavilySearchTool(query: str) -> str:
         ])
     return {"web_results": formatted_search_docs}
 
-google = GoogleSearchRun()
-duckduckgo = DuckDuckGoSearchResults()
-tavily = TavilySearchResults(max_results=3)
-
 @tool
 def combined_web_search(query: str) -> str:
     """Search Google, DuckDuckGo, and Tavily for a query and return combined results."""
 
-    google_docs = google.invoke(query)[:3]
-    duck_docs = duckduckgo.invoke(query)[:3]
-    tavily_docs = tavily.invoke(query)[:3]
+    google_docs = GoogleSearchAPIWrapper(k=5).run(query)
+    duck_docs = DuckDuckGoSearchAPIWrapper().results(query = query, max_results=5)
+    tavily_docs = TavilySearchResults(max_results=5).invoke(query=query)
 
     all_docs = google_docs + duck_docs + tavily_docs