--- signup_pay.module	2008-04-02 10:23:11.000000000 -0400
+++ signup_payUPDATE240336.module	2008-04-02 10:21:10.000000000 -0400
@@ -635,7 +635,7 @@ function signup_pay_form_alter($form_id,
  * find user role for determining amount and currency
  */
 function signup_pay_find_user_role(&$user) {
-  $role_weight_list = variable_get(SIGNUP_PAY_ROLE_WEIGHT, 0);
+  $role_weight_list = str_replace(" ", "", variable_get(SIGNUP_PAY_ROLE_WEIGHT, 0));
   foreach(explode(",",$role_weight_list) as $rid) {
     if ($user->roles[$rid]) {
       return $rid;