From 293a0cead0d90fb19cbfa0e4138f0b3886414b92 Mon Sep 17 00:00:00 2001
From: "Andrew J. Hesford" <ajh@sideband.org>
Date: Wed, 31 Jan 2024 09:57:35 +0800
Subject: [PATCH] fix build Error due to cython updated

---
 setup.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/setup.py b/setup.py
index 65b0ea0..4461580 100644
--- a/setup.py
+++ b/setup.py
@@ -82,7 +82,11 @@ if 'sdist' in sys.argv or os.environ.get('PYYAML_FORCE_CYTHON') == '1':
     with_cython = True
 try:
     from Cython.Distutils.extension import Extension as _Extension
-    from Cython.Distutils import build_ext as _build_ext
+    try:
+        from Cython.Distutils.old_build_ext import old_build_ext as _build_ext
+    except ImportError:
+        from Cython.Distutils import build_ext as _build_ext
+
     with_cython = True
 except ImportError:
     if with_cython:
-- 
2.33.0