style: ruff

pipeline_bot/pipeline/tasks/t02_biqi_kill20.py

@@ -10,6 +10,7 @@ SC643 → CS1011 点确认按钮(协议与 kill.py 刷怪链同源, 2026-09-27
 from __future__ import annotations
 
 from typing import TYPE_CHECKING
+
 if TYPE_CHECKING:
     from pbot.world.actor import Npc