ata or leave it blank use test data-->
<script type="text/javascript" language="JavaScript">
    // validate upload data size
    var data_size_flag = {{passed_size_flag | safe}};
    if (data_size_flag == false){
        alert("You need to upload a data set that has more than 20 rows! Or leave it blank to use our test data!");
    }
</script>
<!-- if upload data is not .csv file, then alert user to upload new data or leave it blank to use test data-->
<script type="text/javascript" language="javascript">
 