From a97e433cbc523fdb26af10efe5460ec3fb8b036b Mon Sep 17 00:00:00 2001
From: Kirill Radzikhovskyy <kirillrdy@gmail.com>
Date: Mon, 6 Apr 2026 08:22:36 +1000
Subject: [PATCH] python3Packages.hyperpyyaml: fix compatibility with
 ruamel-yaml 0.19

---
 .../python-modules/hyperpyyaml/default.nix        | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/pkgs/development/python-modules/hyperpyyaml/default.nix b/pkgs/development/python-modules/hyperpyyaml/default.nix
index 0c9ebca66166..72b74de94d96 100644
--- a/pkgs/development/python-modules/hyperpyyaml/default.nix
+++ b/pkgs/development/python-modules/hyperpyyaml/default.nix
@@ -26,6 +26,19 @@ buildPythonPackage rec {
     hash = "sha256-/7OrIR61zQYl2+RjiOOlaqUGWBieon5fe8sgmEvKowo=";
   };
 
+  postPatch = ''
+    # https://github.com/speechbrain/HyperPyYAML/pull/33
+    substituteInPlace hyperpyyaml/core.py \
+      --replace-fail \
+        "    hparams = yaml.load(yaml_stream, Loader=loader)" \
+        "    if not hasattr(loader, 'max_depth'):
+            loader.max_depth = 0
+        hparams = yaml.load(yaml_stream, Loader=loader)"
+  '';
+
+  # https://github.com/speechbrain/HyperPyYAML/pull/33
+  pythonRelaxDeps = [ "ruamel.yaml" ];
+
   build-system = [
     setuptools
   ];
@@ -40,8 +53,6 @@ buildPythonPackage rec {
   pythonImportsCheck = [ "hyperpyyaml" ];
 
   meta = {
-    # https://github.com/speechbrain/HyperPyYAML/pull/32
-    broken = lib.versionAtLeast ruamel-yaml.version "0.19";
     description = "Extensions to YAML syntax for better python interaction";
     homepage = "https://github.com/speechbrain/HyperPyYAML";
     changelog = "https://github.com/speechbrain/HyperPyYAML/releases/tag/${src.tag}";