def is_qty_one(self):
        parts = self.style.split("_")
        return parts[1] == '1'
Check nova-instance-instance-xxx exists
dataset/ETHPy150Open dokterbob/satchmo/satchmo/apps/satchmo_ext/upsell/models.py/Upsell.is_qty_one--crossover with--dataset/ETHPy150Open nii-cloud/dodai-compute/nova/virt/libvirt/firewall.py/NWFilterFirewall.instance_filter_exists