How to use the tqdm.utils._is_ascii function in tqdm

try:
                nobar = bar_format.format(bar=full_bar, **format_dict)
            except UnicodeEncodeError:
                bar_format = _unicode(bar_format)
                nobar = bar_format.format(bar=full_bar, **format_dict)
            if not full_bar.format_called:
                # no {bar}, we can just format and return
                return nobar

            # Formatting progress bar space available for bar's display
            full_bar = Bar(
                frac,
                max(1, ncols - _text_width(RE_ANSI.sub('', nobar)))
                if ncols else 10,
                charset=Bar.ASCII if ascii is True else ascii or Bar.UTF)
            if not _is_ascii(full_bar.charset) and _is_ascii(bar_format):
                bar_format = _unicode(bar_format)
            return bar_format.format(bar=full_bar, **format_dict)

        elif bar_format:
            # user-specified bar_format but no total
            l_bar += '|'
            format_dict.update(l_bar=l_bar, percentage=0)
            full_bar = FormatReplace()
            nobar = bar_format.format(bar=full_bar, **format_dict)
            if not full_bar.format_called:
                return nobar
            full_bar = Bar(
                0,
                max(1, ncols - _text_width(RE_ANSI.sub('', nobar)))
                if ncols else 10,
                charset=Bar.BLANK)

else:
                bar_format = "{l_bar}{bar}{r_bar}"

            full_bar = FormatReplace()
            nobar = bar_format.format(bar=full_bar, **format_dict)
            if not full_bar.format_called:
                # no {bar}, we can just format and return
                return nobar

            # Formatting progress bar space available for bar's display
            full_bar = Bar(
                frac,
                max(1, ncols - _text_width(RE_ANSI.sub('', nobar)))
                if ncols else 10,
                charset=Bar.ASCII if ascii is True else ascii or Bar.UTF)
            if not _is_ascii(full_bar.charset) and _is_ascii(bar_format):
                bar_format = _unicode(bar_format)
            return bar_format.format(bar=full_bar, **format_dict)

        elif bar_format:
            # user-specified bar_format but no total
            l_bar += '|'
            format_dict.update(l_bar=l_bar, percentage=0)
            full_bar = FormatReplace()
            nobar = bar_format.format(bar=full_bar, **format_dict)
            if not full_bar.format_called:
                return nobar
            full_bar = Bar(
                0,
                max(1, ncols - _text_width(RE_ANSI.sub('', nobar)))
                if ncols else 10,
                charset=Bar.BLANK)