--- contrib/auth/create_superuser.py    (revision 7452)
+++ contrib/auth/create_superuser.py    (working copy)
@@ -25,7 +25,10 @@
         default_username = ''
     else:
         # Determine the current system user's username, to use as a default.
-        default_username = pwd.getpwuid(os.getuid())[0].replace(' ', '').lower()
+   try:
+       default_username = pwd.getpwuid(os.getuid())[0].replace(' ', '').lower()
+   except:
+       default_username = 'admin'

     # Determine whether the default username is taken, so we don't display
     # it as an option.