Update langgraph_agent.py

langgraph_agent.py

@@ -72,15 +72,6 @@ def google_web_search(query: str) -> str:
         print(f"Error in google_web_search tool: {e}")
         return f"Error occurred while searching the web for '{query}'. Details: {str(e)}"
 
-@tool
-def arvix_search(query: str) -> dict:
-    """Search arXiv for a query and return up to 3 paper excerpts."""
-    docs = ArxivLoader(query=query, load_max_docs=3).load()
-    formatted = "\n\n---\n\n".join(
-        f'<Document source="{d.metadata["source"]}"/>\n{d.page_content[:1000]}'
-        for d in docs
-    )
-    return {"arvix_results": formatted}
 
 # HF_API_TOKEN is no longer directly needed for describe_image as that tool is removed.
 # But keeping InferenceClient initialization for completeness if other HF tools might be added later.