--- setup.py.orig	2025-07-29 12:40:23
+++ setup.py	2025-07-29 12:40:55
@@ -31,7 +31,7 @@
     import subprocess
     cpp_file = os.path.splitext(cython_file)[0] + ".cpp"
     flags = ['--fast-fail', '--cplus']
-    rc = subprocess.call(['cython'] + flags + ['-o', cpp_file, cython_file])
+    rc = subprocess.call(['@@CYTHON_BIN@@'] + flags + ['-o', cpp_file, cython_file])
     if rc != 0:
         raise Exception('Cythonizing %s failed' % cython_file)
     else:
