nl: call the function ungettext_lazy with 3 arguments: string 'Ensure this value has at most %(limit_value)d character (it has %(show_value)d),
code: message = ungettext_lazy ( 'Ensure this value has at most %(limit_value)d character (it has %(show_value)d).' , 'Ensure this value has at most %(limit_value)d characters (it has %(show_value)d).' , 'limit_value' )