Eroorr after custom script

Hello I have added ,Date’’ custom script
from frappe import utils
utils.now()
utils.today()

but after selecting the correct date is giving me the following erorr:

SyntaxError: Unexpected identifier
at Class.setup (http://erp.grupelectroinstal.com/assets/js/form.min.js:266:41)
at _f.Frm.setup (http://erp.grupelectroinstal.com/assets/js/form.min.js:18:561)
at _f.Frm.refresh (http://erp.grupelectroinstal.com/assets/js/form.min.js:58:26)
at Class.load (http://erp.grupelectroinstal.com/assets/js/form.min.js:15:111)
at http://erp.grupelectroinstal.com/assets/js/form.min.js:15:4
at Object.callback (http://erp.grupelectroinstal.com/assets/js/desk.min.js:592:371)
at Object.callback [as success_callback] (http://erp.grupelectroinstal.com/assets/js/desk.min.js:122:36)
at 200 (http://erp.grupelectroinstal.com/assets/js/desk.min.js:124:132)
at Object. (http://erp.grupelectroinstal.com/assets/js/desk.min.js:131:85)
at i (http://erp.grupelectroinstal.com/assets/frappe/js/lib/jquery/jquery.min.js:2:27151)

What needs to be done?

Thanks!

It’s solved:) Thanks!

frappe.ui.form.on(“Stock Request”, “validate”, function(frm) {
if (frm.doc.date_required < get_today()) {
msgprint(__(“Past dates are not allowed”));
validated = false;
}
});