Update app.py

app.py

@@ -19,7 +19,8 @@ def search_arxiv(query: str) -> str:
     Returns:
         str: A formatted list of found papers with titles, summaries, and links.
     """
-    url = f"http://export.arxiv.org/api/query?search_query={query}&max_results=5"
+    max_results=5
+    url = f"http://export.arxiv.org/api/query?search_query={query}&max_results={max_results}"
     response = requests.get(url)
 
     if response.status_code == 200: