Print the choices for this question.

            This may be a empty string and in the case of a list of validators
            we will only show the first validator's choices.

def choices(self):
        """ Print the choices for this question.

            This may be a empty string and in the case of a list of validators
            we will only show the first validator's choices.
        """
        if isinstance(self.validator, list):
            return self.validator[0].print_choices()
        return self.validator.print_choices()