def format_counter(self, format, counter):
        label = ''
        for c in format:
            if c == '1':
                label = label + ('%d' % counter)
            elif c in 'aA':
                if counter > 0:
                    label = label + self.format_letter(c, counter)
            elif c in 'iI':
                if counter is not 0:
                    label = label + self.format_roman(c, counter)
            else:
                label = label + c
        return label
dataset/ETHPy150Open azoft-dev-team/imagrium/env/Lib/formatter.py/AbstractFormatter.format_counter/operator `>` -> `is not`