diff --git a/installinstallmacos.py b/installinstallmacos.py
index a9159fe..536fcf0 100755
--- a/installinstallmacos.py
+++ b/installinstallmacos.py
@@ -490,7 +490,7 @@ def main():
     if os.getuid() != 0:
         sys.exit('This command requires root (to install packages), so please '
                  'run again with sudo or as root.')
-    
+
     if args.catalogurl:
         su_catalog_url = args.catalogurl
     elif args.seedprogram: