How to use the birdears.urwid.Text function in birdears

def load_inner_widget(self):
        return urwid.Text(self.get_display_text())

def __init__(self, top="", middle="", bottom="", pitch=None, *args,
                 **kwargs):

        self.pitch = pitch
        self.pitch_str = str(pitch)
        self.note_str = pitch.note

        top = self.note_str

        text = urwid.Text("{}\n{}\n{}".format(top, middle, bottom))
        fill = urwid.Filler(text)
        adapter = urwid.BoxAdapter(fill, height=3)
        pad = urwid.Padding(adapter)
        box = urwid.LineBox(pad)
        attr = urwid.AttrMap(w=box, attr_map='default')

        super(KeyboardButton, self).__init__(w=attr, *args, **kwargs)

def __init__(self, *args, **kwargs):

        self.footer_left = urwid.Text('r - Repeat question; q - Quit')
        self.footer_right = urwid.Text('--', align='right')
        header = urwid.AttrMap(urwid.Padding(urwid.Text('birdears ─ Functional'
                                                        ' Ear Training')),
                               'header')
        footer = urwid.AttrMap(urwid.Padding(urwid.Columns(widget_list=[
                            self.footer_left, self.footer_right])), 'footer')
        loading = urwid.Text('loading...')

        adapter = urwid.Filler(loading)

        super(TextUserInterfaceWidget, self).__init__(body=adapter,
                                                      header=header,
                                                      footer=footer)

# Melodic Dictation
        # Key: C Major Descending scale
        # Octaves: 2
        # Chromatics: True
        # Number of notes: 4
        #
        # C Chromatic Descending scale
        # 1 octave

        top_text = "Key: {tonic} {mode} {random}({n_octaves} {octaves_str})\n"\
                   "Descending: {descending}\n" \
                   "Chromatic: {chromatic}\n" \
                   "Intervals: {intervals}" \
                   .format(**top_variables)

        top_widget = urwid.Text(top_text)

        self.question_widget = QuestionWidget(top_widget=top_widget,
                                              keyboard=self.keyboard,
                                              display=self.question.display)

        self.tui_widget.contents.update({'body': (self.question_widget, None)})

        if self.question.n_input_notes > 0:
            answers_text = "Answers: +{correct} / -{incorrect} ".\
                format(correct=self.correct, incorrect=self.wrong)
        else:
            answers_text = "(Question type doesn't takes answer)"
        self.tui_widget.footer_right.set_text(answers_text)

        with LOCK:
            self.loop.draw_screen()

def draw_display(self, question_display):

        self.display = dict()
        display_wids = list()

        for key, value in question_display.items():
            self.display[key] = urwid.Text(value)
            display_wids.append(urwid.LineBox(self.display[key]))

        display_widget = urwid.Filler(urwid.Pile(widget_list=display_wids))

        return display_widget

def __init__(self, *args, **kwargs):

        self.footer_left = urwid.Text('r - Repeat question; q - Quit')
        self.footer_right = urwid.Text('--', align='right')
        header = urwid.AttrMap(urwid.Padding(urwid.Text('birdears ─ Functional'
                                                        ' Ear Training')),
                               'header')
        footer = urwid.AttrMap(urwid.Padding(urwid.Columns(widget_list=[
                            self.footer_left, self.footer_right])), 'footer')
        loading = urwid.Text('loading...')

        adapter = urwid.Filler(loading)

        super(TextUserInterfaceWidget, self).__init__(body=adapter,
                                                      header=header,
                                                      footer=footer)