How to use the visidata.vdtui.DisplayWrapper function in visidata

dispval = options.disp_error_val
                return DisplayWrapper(cellval.val, error=exc.stacktrace,
                                        display=dispval,
                                        note=options.note_getter_exc,
                                        notecolor='color_error')
            elif typedval.val is None:  # early out for strict None
                return DisplayWrapper(None, display='',  # force empty display for None
                                            note=options.disp_note_none,
                                            notecolor='color_note_type')
            elif isinstance(typedval, TypedExceptionWrapper):  # calc succeeded, type failed
                return DisplayWrapper(typedval.val, display=str(cellval),
                                            error=typedval.exception.stacktrace,
                                            note=options.note_type_exc,
                                            notecolor='color_warning')
            else:
                return DisplayWrapper(typedval.val, display=str(typedval.val),
                                            note=options.note_type_exc,
                                            notecolor='color_warning')

        elif isinstance(typedval, threading.Thread):
            return DisplayWrapper(None,
                                display=options.disp_pending,
                                note=options.note_pending,
                                notecolor='color_note_pending')

        dw = DisplayWrapper(cellval)

        try:
            dw.display = self.format(typedval) or ''

            if width and isNumeric(self):
                dw.display = dw.display.rjust(width-1)

dispval = options.disp_error_val
                return DisplayWrapper(cellval.val, error=exc.stacktrace,
                                        display=dispval,
                                        note=options.note_getter_exc,
                                        notecolor='color_error')
            elif typedval.val is None:  # early out for strict None
                return DisplayWrapper(None, display='',  # force empty display for None
                                            note=options.disp_note_none,
                                            notecolor='color_note_type')
            elif isinstance(typedval, TypedExceptionWrapper):  # calc succeeded, type failed
                return DisplayWrapper(typedval.val, display=str(cellval),
                                            error=typedval.exception.stacktrace,
                                            note=options.note_type_exc,
                                            notecolor='color_warning')
            else:
                return DisplayWrapper(typedval.val, display=str(typedval.val),
                                            note=options.note_type_exc,
                                            notecolor='color_warning')

        elif isinstance(typedval, threading.Thread):
            return DisplayWrapper(None,
                                display=options.disp_pending,
                                note=options.note_pending,
                                notecolor='color_note_pending')

        dw = DisplayWrapper(cellval)

        try:
            dw.display = self.format(typedval) or ''

            if width and isNumeric(self):
                dw.display = dw.display.rjust(width-1)

return DisplayWrapper(typedval.val, display=str(cellval),
                                            error=typedval.exception.stacktrace,
                                            note=options.note_type_exc,
                                            notecolor='color_warning')
            else:
                return DisplayWrapper(typedval.val, display=str(typedval.val),
                                            note=options.note_type_exc,
                                            notecolor='color_warning')

        elif isinstance(typedval, threading.Thread):
            return DisplayWrapper(None,
                                display=options.disp_pending,
                                note=options.note_pending,
                                notecolor='color_note_pending')

        dw = DisplayWrapper(cellval)

        try:
            dw.display = self.format(typedval) or ''

            if width and isNumeric(self):
                dw.display = dw.display.rjust(width-1)

            # annotate cells with raw value type in anytype columns, except for strings
            if self.type is anytype and type(cellval) is not str:
                typedesc = typemap.get(type(cellval), None)
                dw.note = typedesc.icon if typedesc else options.note_unknown_type
                dw.notecolor = 'color_note_type'

        except Exception as e:  # formatting failure
            e.stacktrace = stacktrace()
            dw.error = e

def getCell(self, row, width=None):
        'Return DisplayWrapper for displayable cell value.'
        cellval = wrapply(self.getValue, row)
        typedval = wrapply(self.type, cellval)

        if isinstance(typedval, TypedWrapper):
            if isinstance(cellval, TypedExceptionWrapper):  # calc failed
                exc = cellval.exception
                if cellval.forwarded:
                    dispval = str(cellval)  # traceback.format_exception_only(type(exc), exc)[-1].strip()
                else:
                    dispval = options.disp_error_val
                return DisplayWrapper(cellval.val, error=exc.stacktrace,
                                        display=dispval,
                                        note=options.note_getter_exc,
                                        notecolor='color_error')
            elif typedval.val is None:  # early out for strict None
                return DisplayWrapper(None, display='',  # force empty display for None
                                            note=options.disp_note_none,
                                            notecolor='color_note_type')
            elif isinstance(typedval, TypedExceptionWrapper):  # calc succeeded, type failed
                return DisplayWrapper(typedval.val, display=str(cellval),
                                            error=typedval.exception.stacktrace,
                                            note=options.note_type_exc,
                                            notecolor='color_warning')
            else:
                return DisplayWrapper(typedval.val, display=str(typedval.val),
                                            note=options.note_type_exc,
                                            notecolor='color_warning')

cellval = wrapply(self.getValue, row)
        typedval = wrapply(self.type, cellval)

        if isinstance(typedval, TypedWrapper):
            if isinstance(cellval, TypedExceptionWrapper):  # calc failed
                exc = cellval.exception
                if cellval.forwarded:
                    dispval = str(cellval)  # traceback.format_exception_only(type(exc), exc)[-1].strip()
                else:
                    dispval = options.disp_error_val
                return DisplayWrapper(cellval.val, error=exc.stacktrace,
                                        display=dispval,
                                        note=options.note_getter_exc,
                                        notecolor='color_error')
            elif typedval.val is None:  # early out for strict None
                return DisplayWrapper(None, display='',  # force empty display for None
                                            note=options.disp_note_none,
                                            notecolor='color_note_type')
            elif isinstance(typedval, TypedExceptionWrapper):  # calc succeeded, type failed
                return DisplayWrapper(typedval.val, display=str(cellval),
                                            error=typedval.exception.stacktrace,
                                            note=options.note_type_exc,
                                            notecolor='color_warning')
            else:
                return DisplayWrapper(typedval.val, display=str(typedval.val),
                                            note=options.note_type_exc,
                                            notecolor='color_warning')

        elif isinstance(typedval, threading.Thread):
            return DisplayWrapper(None,
                                display=options.disp_pending,
                                note=options.note_pending,

if isinstance(cellval, TypedExceptionWrapper):  # calc failed
                exc = cellval.exception
                if cellval.forwarded:
                    dispval = str(cellval)  # traceback.format_exception_only(type(exc), exc)[-1].strip()
                else:
                    dispval = options.disp_error_val
                return DisplayWrapper(cellval.val, error=exc.stacktrace,
                                        display=dispval,
                                        note=options.note_getter_exc,
                                        notecolor='color_error')
            elif typedval.val is None:  # early out for strict None
                return DisplayWrapper(None, display='',  # force empty display for None
                                            note=options.disp_note_none,
                                            notecolor='color_note_type')
            elif isinstance(typedval, TypedExceptionWrapper):  # calc succeeded, type failed
                return DisplayWrapper(typedval.val, display=str(cellval),
                                            error=typedval.exception.stacktrace,
                                            note=options.note_type_exc,
                                            notecolor='color_warning')
            else:
                return DisplayWrapper(typedval.val, display=str(typedval.val),
                                            note=options.note_type_exc,
                                            notecolor='color_warning')

        elif isinstance(typedval, threading.Thread):
            return DisplayWrapper(None,
                                display=options.disp_pending,
                                note=options.note_pending,
                                notecolor='color_note_pending')

        dw = DisplayWrapper(cellval)

return DisplayWrapper(typedval.val, display=str(cellval),
                                            error=typedval.exception.stacktrace,
                                            note=options.note_type_exc,
                                            notecolor='color_warning')
            else:
                return DisplayWrapper(typedval.val, display=str(typedval.val),
                                            note=options.note_type_exc,
                                            notecolor='color_warning')

        elif isinstance(typedval, threading.Thread):
            return DisplayWrapper(None,
                                display=options.disp_pending,
                                note=options.note_pending,
                                notecolor='color_note_pending')

        dw = DisplayWrapper(cellval)

        try:
            dw.display = self.format(typedval) or ''

            if width and isNumeric(self):
                dw.display = dw.display.rjust(width-1)

            # annotate cells with raw value type in anytype columns, except for strings
            if self.type is anytype and type(cellval) is not str:
                typedesc = typemap.get(type(cellval), None)
                dw.note = typedesc.icon if typedesc else options.note_unknown_type
                dw.notecolor = 'color_note_type'

        except Exception as e:  # formatting failure
            e.stacktrace = stacktrace()
            dw.error = e