From 738a4d4719a382358367d4df8ffd11b0105c8385 Mon Sep 17 00:00:00 2001
From: Harinn <prinn.dev@pm.me>
Date: Wed, 6 May 2026 12:10:43 +0700
Subject: [PATCH 1/3] python3Packages.torch-einops-utils: init at 0.0.29

---
 .../torch-einops-utils/default.nix            | 41 +++++++++++++++++++
 pkgs/top-level/python-packages.nix            |  2 +
 2 files changed, 43 insertions(+)
 create mode 100644 pkgs/development/python-modules/torch-einops-utils/default.nix

diff --git a/pkgs/development/python-modules/torch-einops-utils/default.nix b/pkgs/development/python-modules/torch-einops-utils/default.nix
new file mode 100644
index 000000000000..ffb0fd01cb34
--- /dev/null
+++ b/pkgs/development/python-modules/torch-einops-utils/default.nix
@@ -0,0 +1,41 @@
+{
+  lib,
+  buildPythonPackage,
+  einops,
+  fetchFromGitHub,
+  hatchling,
+  pytestCheckHook,
+  torch,
+}:
+
+buildPythonPackage (finalAttrs: {
+  pname = "torch-einops-utils";
+  version = "0.0.29";
+  pyproject = true;
+
+  src = fetchFromGitHub {
+    owner = "lucidrains";
+    repo = "torch-einops-utils";
+    tag = finalAttrs.version;
+    hash = "sha256-ja3HeBvAQRyGL2anqIQa2iiHhOZUhF73do7pvrTyRo0=";
+  };
+
+  build-system = [ hatchling ];
+
+  dependencies = [
+    einops
+    torch
+  ];
+
+  nativeCheckInputs = [ pytestCheckHook ];
+
+  pythonImportsCheck = [ "torch_einops_utils" ];
+
+  meta = {
+    description = "Utility functions for torch and einops";
+    homepage = "https://github.com/lucidrains/torch-einops-utils";
+    changelog = "https://github.com/lucidrains/torch-einops-utils/releases/tag/${finalAttrs.src.tag}";
+    license = lib.licenses.mit;
+    maintainers = with lib.maintainers; [ miniharinn ];
+  };
+})
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index e8558e3a9521..3bcc3092e7dd 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -19598,6 +19598,8 @@ self: super: with self; {
 
   torch-c-dlpack-ext = callPackage ../development/python-modules/torch-c-dlpack-ext { };
 
+  torch-einops-utils = callPackage ../development/python-modules/torch-einops-utils { };
+
   torch-geometric = callPackage ../development/python-modules/torch-geometric { };
 
   # Required to test triton

From deb7fe62be579553c66c75225ae62b2f36fb2865 Mon Sep 17 00:00:00 2001
From: Harinn <prinn.dev@pm.me>
Date: Wed, 6 May 2026 12:10:46 +0700
Subject: [PATCH 2/3] python3Packages.hyper-connections: 0.4.7 -> 0.4.9

---
 .../python-modules/hyper-connections/default.nix            | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/pkgs/development/python-modules/hyper-connections/default.nix b/pkgs/development/python-modules/hyper-connections/default.nix
index 2a10d0d38e9c..2a79418a5826 100644
--- a/pkgs/development/python-modules/hyper-connections/default.nix
+++ b/pkgs/development/python-modules/hyper-connections/default.nix
@@ -6,18 +6,19 @@
   hatchling,
   pytestCheckHook,
   torch,
+  torch-einops-utils,
 }:
 
 buildPythonPackage (finalAttrs: {
   pname = "hyper-connections";
-  version = "0.4.7";
+  version = "0.4.9";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "lucidrains";
     repo = "hyper-connections";
     tag = finalAttrs.version;
-    hash = "sha256-x1Yx9Fnow9154kFGLmjeCBLYJsbv6oJiC6Rk1XudqJQ=";
+    hash = "sha256-RDwnRtHUWilyqsDmdiV+kRg7BqTS1yghiu9RAM+MNjE=";
   };
 
   build-system = [ hatchling ];
@@ -25,6 +26,7 @@ buildPythonPackage (finalAttrs: {
   dependencies = [
     einops
     torch
+    torch-einops-utils
   ];
 
   nativeCheckInputs = [ pytestCheckHook ];

From b98b7e2f638436972586ec219e966f3ea166907e Mon Sep 17 00:00:00 2001
From: Harinn <prinn.dev@pm.me>
Date: Wed, 6 May 2026 13:40:46 +0700
Subject: [PATCH 3/3] python3Packages.hyper-connections: disable failing test
 on aarch64-linux

---
 .../python-modules/hyper-connections/default.nix           | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/pkgs/development/python-modules/hyper-connections/default.nix b/pkgs/development/python-modules/hyper-connections/default.nix
index 2a79418a5826..b0ec4af38158 100644
--- a/pkgs/development/python-modules/hyper-connections/default.nix
+++ b/pkgs/development/python-modules/hyper-connections/default.nix
@@ -5,6 +5,7 @@
   fetchFromGitHub,
   hatchling,
   pytestCheckHook,
+  stdenv,
   torch,
   torch-einops-utils,
 }:
@@ -31,6 +32,12 @@ buildPythonPackage (finalAttrs: {
 
   nativeCheckInputs = [ pytestCheckHook ];
 
+  disabledTests = lib.optionals (stdenv.hostPlatform.isLinux && stdenv.hostPlatform.isAarch64) [
+    # torch's cpuinfo init fails to parse /sys/devices/system/cpu/{possible,present}
+    # in the build sandbox on aarch64-linux, breaking `.half()` calls
+    "test_mhc_dtype_restoration"
+  ];
+
   pythonImportsCheck = [ "hyper_connections" ];
 
   meta = {