How to use the socli.socli.ScrollableTextBox function in socli

def set_answer(self):
        """
        We must use a box adapter to get the text to scroll when this widget is already in
        a Pile from the main question page. Scrolling is necessary for long answers which are longer
        than the length of the terminal.
        """
        self.content = [('less-important', 'Answer: ')] + self.answers[self.index].split("\n")
        self._w = ScrollableTextBox(self.content)

def set_description(self):
        """
        We must use a box adapter to get the text to scroll when this widget is already in
        a Pile from the main question page. Scrolling is necessary for long questions which are longer
        than the length of the terminal.
        """
        self.content =  self.description.strip("\n").split("\n")
        self._w = ScrollableTextBox(self.content)

def __init__(self, questions):
            self.questions = questions
            self.cachedQuestions = [None for _ in range(10)]
            widgets = [self.display_text(i, q) for i, q in enumerate(questions)]
            self.questions_box = ScrollableTextBox(widgets)
            self.header = UnicodeText(('less-important', 'Select a question below:\n'))
            self.footerText = '0-' + str(len(self.questions) - 1) + ': select a question, any other key: exit.'
            self.errorText = UnicodeText.to_unicode('Question numbers range from 0-' +
                                                    str(len(self.questions) - 1) +
                                                    ". Please select a valid question number.")
            self.footer = UnicodeText(self.footerText)
            self.footerText = UnicodeText.to_unicode(self.footerText)
            frame = urwid.Frame(header=self.header,
                                body=urwid.Filler(self.questions_box, height=('relative', 100), valign='top'),
                                footer=self.footer)
            urwid.WidgetWrap.__init__(self, frame)