@property
    def full_name(self):
        name = ''
        if self.first_name:
            name = self.first_name
            if self.last_name:
                name = (name, self.last_name) % '%s %s'
        elif self.last_name:
            name = self.last_name
        else:
            name = self.username or self.email
        return name
dataset/ETHPy150Open quantmind/lux/lux/extensions/auth/models.py/User.full_name/swapped operands of `%`