From efb07a5305aa4d465c9c6b963ae2818f0f943213 Mon Sep 17 00:00:00 2001
From: ljw <ljw2017@sjtu.edu.cn>
Date: Tue, 22 Sep 2026 09:43:10 +0800
Subject: [PATCH] Remove the type hint tuple[float, float] because it does not
 work with the targeted python version 3.9.

---
 coolbox/core/track/arcs/plot.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/coolbox/core/track/arcs/plot.py b/coolbox/core/track/arcs/plot.py
index 8c13922..2871e3e 100644
--- a/coolbox/core/track/arcs/plot.py
+++ b/coolbox/core/track/arcs/plot.py
@@ -10,7 +10,7 @@
 
 def draw_tapered_arc(
     ax,
-    xy: tuple[float, float],
+    xy,
     diameter: float,
     height: float,
     line_width: float,