bug fix

core/lib/Thelia/Model/Currency.php

@@ -2,6 +2,7 @@
 
 namespace Thelia\Model;
 
+use Propel\Runtime\Exception\PropelException;
 use Thelia\Model\Base\Currency as BaseCurrency;
 use Thelia\Core\Event\TheliaEvents;
 use Propel\Runtime\Connection\ConnectionInterface;
@@ -85,6 +86,7 @@ class Currency extends BaseCurrency {
      * Get the [rate] column value.
      *
      * @return   double
+     * @throws PropelException
      */
     public function getRate()
     {