ng-show not working on angularjs the div is still hidden

I'm assingnin the response data to the $scope but the div with the ng-show remains hidden,I'm noob on angularjs,what is wrong??

else {
         debugger;
         $scope.exception = data.exception;//data arrives correcly

and the html

<div class="error-text"  ng-show="exception.code">

but that it's not working and there is no error shown on the console