def __str__(self):
        if self.sign:
            return (self.name, self.sign, self.version) % '%s (%s %s)'
        else:
            if self.version:
                return '%s-%s' % (self.name, self.version)
        return self.name
dataset/ETHPy150Open ella/citools/citools/debian/control.py/Dependency.__str__/swapped operands of `%`