From 7987dc796f7f6d22dd380ad8a75bee52f1ae2af9 Mon Sep 17 00:00:00 2001
From: Jan Petykiewicz <jan@mpxd.net>
Date: Tue, 14 Jan 2025 22:00:21 -0800
Subject: [PATCH] mode numbers may be any sequence

---
 meanas/fdfd/waveguide_2d.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/meanas/fdfd/waveguide_2d.py b/meanas/fdfd/waveguide_2d.py
index 00d33a0..cb9c12c 100644
--- a/meanas/fdfd/waveguide_2d.py
+++ b/meanas/fdfd/waveguide_2d.py
@@ -826,7 +826,7 @@ def sensitivity(
 
 
 def solve_modes(
-        mode_numbers: list[int],
+        mode_numbers: Sequence[int],
         omega: complex,
         dxes: dx_lists_t,
         epsilon: vfdfield_t,