How to use the tqdm._utils._unich function in tqdm

N_BARS = max(1, ncols - len(l_bar) - len(r_bar)) if ncols \
            else 10

        # format bar depending on availability of unicode/ascii chars
        if ascii:
            bar_length, frac_bar_length = divmod(
                int(frac * N_BARS * 10), 10)

            bar = '#' * bar_length
            frac_bar = chr(48 + frac_bar_length) if frac_bar_length \
                else ' '

        else:
            bar_length, frac_bar_length = divmod(int(frac * N_BARS * 8), 8)

            bar = _unich(0x2588) * bar_length
            frac_bar = _unich(0x2590 - frac_bar_length) \
                if frac_bar_length else ' '

        # whitespace padding
        if bar_length < N_BARS:
            full_bar = bar + frac_bar + \
                ' ' * max(N_BARS - bar_length - 1, 0)
        else:
            full_bar = bar + \
                ' ' * max(N_BARS - bar_length, 0)

        if bar_format is None:
            # Default bar format = fast display
            return l_bar + full_bar + r_bar
        else:
            # Custom bar formatting

elif ascii:
                # get the remainder of the division of current fraction with number of symbols
                # this will tell us which symbol we should pick
                bar_length, frac_bar_length = divmod(
                    int(frac * N_BARS * 10), 10)

                bar = '#' * bar_length
                frac_bar = chr(48 + frac_bar_length) if frac_bar_length \
                    else ' '

            # unicode format (if available)
            else:
                bar_length, frac_bar_length = divmod(int(frac * N_BARS * 8), 8)

                bar = _unich(0x2588) * bar_length
                frac_bar = _unich(0x2590 - frac_bar_length) \
                    if frac_bar_length else ' '

            # whitespace padding
            if bar_length < N_BARS:
                full_bar = bar + frac_bar + \
                    ' ' * max(N_BARS - bar_length - len(frac_bar), 0)
            else:
                full_bar = bar + \
                    ' ' * max(N_BARS - bar_length, 0)

            # Piece together the bar parts
            return l_bar + full_bar + r_bar

        # no total: no progressbar, ETA, just progress stats
        else:
            if bar_format and isinstance(bar_format, dict):

# ascii format
            elif ascii:
                # get the remainder of the division of current fraction with number of symbols
                # this will tell us which symbol we should pick
                bar_length, frac_bar_length = divmod(
                    int(frac * N_BARS * 10), 10)

                bar = '#' * bar_length
                frac_bar = chr(48 + frac_bar_length) if frac_bar_length \
                    else ' '

            # unicode format (if available)
            else:
                bar_length, frac_bar_length = divmod(int(frac * N_BARS * 8), 8)

                bar = _unich(0x2588) * bar_length
                frac_bar = _unich(0x2590 - frac_bar_length) \
                    if frac_bar_length else ' '

            # whitespace padding
            if bar_length < N_BARS:
                full_bar = bar + frac_bar + \
                    ' ' * max(N_BARS - bar_length - len(frac_bar), 0)
            else:
                full_bar = bar + \
                    ' ' * max(N_BARS - bar_length, 0)

            # Piece together the bar parts
            return l_bar + full_bar + r_bar

        # no total: no progressbar, ETA, just progress stats
        else:

if total:
                frac = bar_args['frac']
                percentage = bar_args['percentage']

                remaining_str = bar_args['remaining']

                N_BARS = bar_args['n_bars']

                # custom symbols format
                # need to provide both ascii and unicode versions of custom symbols
                if bar_format and isinstance(bar_format, dict):
                    # get ascii or unicode template
                    if ascii:
                        c_symb = bar_format['symbols'].get('ascii', list("123456789#"))
                    else:
                        c_symb = bar_format['symbols'].get('unicode', map(_unich, range(0x258F, 0x2587, -1)))
                    # looping symbols: just update the symbol animation at each iteration
                    if bar_format['symbols'].get('loop', False):
                        # increment one step in the animation for each display
                        self.n_anim += 1
                        # Get current bar animation
                        bar = c_symb[divmod(self.n_anim, len(c_symb))[1]]
                        bar_lines = bar.splitlines()
                        c_width = len(bar_lines[0])  # all lines should have same len

                        # Generate bar with left filling space
                        l_bar_fill = ' ' * len(l_bar)
                        r_bar_fill = ' ' * len(r_bar)
                        bar_lines = bar.splitlines()  # split bar again because it may have been reversed
                        middle_bar = int(len(bar_lines) / 2)

                        # Construct final bar line by line: print the bar status at the middle, otherwise print only the symbol animation on the other lines and fill with blanks to correctly position the symbol.

else 10

        # format bar depending on availability of unicode/ascii chars
        if ascii:
            bar_length, frac_bar_length = divmod(
                int(frac * N_BARS * 10), 10)

            bar = '#' * bar_length
            frac_bar = chr(48 + frac_bar_length) if frac_bar_length \
                else ' '

        else:
            bar_length, frac_bar_length = divmod(int(frac * N_BARS * 8), 8)

            bar = _unich(0x2588) * bar_length
            frac_bar = _unich(0x2590 - frac_bar_length) \
                if frac_bar_length else ' '

        # whitespace padding
        if bar_length < N_BARS:
            full_bar = bar + frac_bar + \
                ' ' * max(N_BARS - bar_length - 1, 0)
        else:
            full_bar = bar + \
                ' ' * max(N_BARS - bar_length, 0)

        if bar_format is None:
            # Default bar format = fast display
            return l_bar + full_bar + r_bar
        else:
            # Custom bar formatting
            # Populate a dict with all available progress indicators