From 60972c3901d4271e0bc06c9d6c9b3e14aedeec53 Mon Sep 17 00:00:00 2001
From: Martin Weinelt <hexa@darmstadt.ccc.de>
Date: Sat, 9 Aug 2025 04:05:58 +0200
Subject: [PATCH] python3Packages.tesserocr: relax cython constraint

---
 pkgs/development/python-modules/tesserocr/default.nix | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pkgs/development/python-modules/tesserocr/default.nix b/pkgs/development/python-modules/tesserocr/default.nix
index 40c5dbfb49af..8166f0b86626 100644
--- a/pkgs/development/python-modules/tesserocr/default.nix
+++ b/pkgs/development/python-modules/tesserocr/default.nix
@@ -44,6 +44,9 @@ buildPythonPackage rec {
   # https://github.com/sirfz/tesserocr/issues/314
   postPatch = ''
     sed -i '/allheaders.h/a\    pass\n\ncdef extern from "leptonica/pix_internal.h" nogil:' tesserocr/tesseract.pxd
+
+    substituteInPlace setup.py \
+      --replace-fail "Cython>=0.23,<3.1.0" Cython
   '';
 
   build-system = [