+ solved search issues with travily

langraph_agent.py

@@ -111,7 +111,9 @@ def web_search(input: str) -> str:
     Args:
         input: The search query."""
     try:
-        search_docs = TavilySearchResults(max_results=3).invoke(query=input)
+        # TavilySearchResults.invoke expects the query string as its first ("input") argument.
+        # Passing it positionally avoids the earlier `missing 1 required positional argument: 'input'` error.
+        search_docs = TavilySearchResults(max_results=3).invoke(input)
         if not search_docs:
             return {"web_results": "No web search results found for the query."}
         formatted_search_docs = "\n\n---\n\n".join(