From 7ca9381dec3e5d8223baee3982cba2bfd09ac317 Mon Sep 17 00:00:00 2001
From: SystematicError <systematicerror@users.noreply.github.com>
Date: Mon, 20 Apr 2026 10:49:27 +0530
Subject: [PATCH 1/2] python3Packages.pyschemes: unstable-2017-11-08 ->
 0-unstable-2022-09-12

---
 .../python-modules/pyschemes/default.nix          | 15 +++------------
 1 file changed, 3 insertions(+), 12 deletions(-)

diff --git a/pkgs/development/python-modules/pyschemes/default.nix b/pkgs/development/python-modules/pyschemes/default.nix
index 327cb078b071..35376c727510 100644
--- a/pkgs/development/python-modules/pyschemes/default.nix
+++ b/pkgs/development/python-modules/pyschemes/default.nix
@@ -3,29 +3,20 @@
   buildPythonPackage,
   fetchFromGitHub,
   pytestCheckHook,
-  fetchpatch,
 }:
 
 buildPythonPackage {
   pname = "pyschemes";
-  version = "unstable-2017-11-08";
+  version = "0-unstable-2022-09-12";
   format = "setuptools";
 
   src = fetchFromGitHub {
     owner = "spy16";
     repo = "pyschemes";
-    rev = "ca6483d13159ba65ba6fc2f77b90421c40f2bbf2";
-    hash = "sha256-PssucudvlE8mztwVme70+h+2hRW/ri9oV9IZayiZhdU=";
+    rev = "c8afdbc045c1ff2bd7cc5a963e7084fc096f5257";
+    hash = "sha256-jv6dlZlLuJlTqw2V21BUEhCIc/UGvyjbhggw82eGMz0=";
   };
 
-  patches = [
-    # Fix python 3.10 compatibility. Tracked upstream in
-    # https://github.com/spy16/pyschemes/pull/6
-    (fetchpatch {
-      url = "https://github.com/spy16/pyschemes/commit/23011128c6c22838d4fca9e00fd322a20bb566c4.patch";
-      hash = "sha256-vDaWxMrn2aC2wmd035EWRZ3cd/XME81z/BWG0f2T9jc=";
-    })
-  ];
   nativeCheckInputs = [ pytestCheckHook ];
 
   pythonImportsCheck = [ "pyschemes" ];

From 106334a081b9495e9f03b84da852046d606266c8 Mon Sep 17 00:00:00 2001
From: SystematicError <systematicerror@users.noreply.github.com>
Date: Thu, 23 Apr 2026 20:42:28 +0100
Subject: [PATCH 2/2] python3Packages.pyschemes: use `pyproject = true`

---
 pkgs/development/python-modules/pyschemes/default.nix | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/python-modules/pyschemes/default.nix b/pkgs/development/python-modules/pyschemes/default.nix
index 35376c727510..6b7a90dd2640 100644
--- a/pkgs/development/python-modules/pyschemes/default.nix
+++ b/pkgs/development/python-modules/pyschemes/default.nix
@@ -3,12 +3,13 @@
   buildPythonPackage,
   fetchFromGitHub,
   pytestCheckHook,
+  setuptools,
 }:
 
 buildPythonPackage {
   pname = "pyschemes";
   version = "0-unstable-2022-09-12";
-  format = "setuptools";
+  pyproject = true;
 
   src = fetchFromGitHub {
     owner = "spy16";
@@ -17,6 +18,8 @@ buildPythonPackage {
     hash = "sha256-jv6dlZlLuJlTqw2V21BUEhCIc/UGvyjbhggw82eGMz0=";
   };
 
+  build-system = [ setuptools ];
+
   nativeCheckInputs = [ pytestCheckHook ];
 
   pythonImportsCheck = [ "pyschemes" ];