Update app.py

app.py

@@ -10,7 +10,7 @@ def run_katana(url, crawl_type):
         else:  # Subkeyword URLs
             command = [
                 "katana",
-                "-u", url,
+                "-u", f"{url}",
                 "-cs", f"^{url}.*",
                 "-depth", "5",
                 "-jc"