From 5d3b173f97c08a0abfa925a434f08254478b0fe4 Mon Sep 17 00:00:00 2001
From: Harinn <prinn.dev@pm.me>
Date: Mon, 15 Jun 2026 21:58:24 +0700
Subject: [PATCH 1/2] python3Packages.yacs: migrate to pyproject

---
 pkgs/development/python-modules/yacs/default.nix | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/pkgs/development/python-modules/yacs/default.nix b/pkgs/development/python-modules/yacs/default.nix
index e8b5d63afe00..156fadb581da 100644
--- a/pkgs/development/python-modules/yacs/default.nix
+++ b/pkgs/development/python-modules/yacs/default.nix
@@ -2,6 +2,7 @@
   lib,
   buildPythonPackage,
   fetchFromGitHub,
+  setuptools,
   python,
   pyyaml,
 }:
@@ -9,7 +10,7 @@
 buildPythonPackage rec {
   pname = "yacs";
   version = "0.1.8";
-  format = "setuptools";
+  pyproject = true;
 
   src = fetchFromGitHub {
     owner = "rbgirshick";
@@ -18,7 +19,9 @@ buildPythonPackage rec {
     hash = "sha256-nO8FL4tTkfTthXYXxXORLieFwvn780DDxfrxC9EUUJ0=";
   };
 
-  propagatedBuildInputs = [ pyyaml ];
+  build-system = [ setuptools ];
+
+  dependencies = [ pyyaml ];
 
   pythonImportsCheck = [ "yacs" ];
   checkPhase = ''

From 98ab4639827763b9cba51570b78309ad81435309 Mon Sep 17 00:00:00 2001
From: Harinn <prinn.dev@pm.me>
Date: Mon, 15 Jun 2026 21:59:47 +0700
Subject: [PATCH 2/2] python3Packages.yacs: modernize

---
 pkgs/development/python-modules/yacs/default.nix | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/pkgs/development/python-modules/yacs/default.nix b/pkgs/development/python-modules/yacs/default.nix
index 156fadb581da..f234f597e1b0 100644
--- a/pkgs/development/python-modules/yacs/default.nix
+++ b/pkgs/development/python-modules/yacs/default.nix
@@ -7,15 +7,17 @@
   pyyaml,
 }:
 
-buildPythonPackage rec {
+buildPythonPackage (finalAttrs: {
   pname = "yacs";
   version = "0.1.8";
   pyproject = true;
 
+  __structuredAttrs = true;
+
   src = fetchFromGitHub {
     owner = "rbgirshick";
     repo = "yacs";
-    rev = "v${version}";
+    tag = "v${finalAttrs.version}";
     hash = "sha256-nO8FL4tTkfTthXYXxXORLieFwvn780DDxfrxC9EUUJ0=";
   };
 
@@ -34,4 +36,4 @@ buildPythonPackage rec {
     license = lib.licenses.asl20;
     maintainers = with lib.maintainers; [ lucasew ];
   };
-}
+})