From 5088cfc081ecf2da73fbf6ab8b64e4bfc3e68d3d Mon Sep 17 00:00:00 2001
From: "Jason K. Moore" <moorepants@gmail.com>
Date: Fri, 21 Jul 2023 08:19:37 +0200
Subject: [PATCH] Add back cython to INSTALL_REQUIRES.

---
 setup.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/setup.py b/setup.py
index a2159731..50d47953 100644
--- a/setup.py
+++ b/setup.py
@@ -48,6 +48,7 @@
 EMAIL = "moorepants@gmail.com"
 URL = "https://github.com/mechmotum/cyipopt"
 INSTALL_REQUIRES = [
+    "cython >= 0.26,<3",
     "numpy>=1.15",
     "setuptools>=39.0",
 ]