diff --git a/pkgs/development/python-modules/magika/default.nix b/pkgs/development/python-modules/magika/default.nix
index 504063f6e12c..a1846e289f69 100644
--- a/pkgs/development/python-modules/magika/default.nix
+++ b/pkgs/development/python-modules/magika/default.nix
@@ -1,20 +1,30 @@
 {
   lib,
+  stdenv,
   buildPythonPackage,
-  click,
   fetchPypi,
+
+  # build-system
+  hatchling,
+
+  # dependencies
+  click,
   numpy,
   onnxruntime,
-  hatchling,
   python-dotenv,
   tabulate,
   tqdm,
+
+  # tests
   pytestCheckHook,
   dacite,
   versionCheckHook,
 }:
 
-buildPythonPackage rec {
+let
+  isNotAarch64Linux = !(stdenv.hostPlatform.isLinux && stdenv.hostPlatform.isAarch64);
+in
+buildPythonPackage (finalAttrs: {
   pname = "magika";
   version = "1.0.1";
   pyproject = true;
@@ -23,7 +33,7 @@ buildPythonPackage rec {
   # Pypi tarball contains a pure python implementation of magika
   # while GitHub source requires compiling magika-cli
   src = fetchPypi {
-    inherit pname version;
+    inherit (finalAttrs) pname version;
     hash = "sha256-MT+Mv83Jp+VcJChicyMKJzK4mCXlipPeK1dlMTk7g5g=";
   };
 
@@ -63,14 +73,19 @@ buildPythonPackage rec {
     "test_magika_module_with_previously_missdetected_samples"
   ];
 
-  pythonImportsCheck = [ "magika" ];
+  # aarch64-linux fails cpuinfo test, because /sys/devices/system/cpu/ does not exist in the sandbox:
+  # terminate called after throwing an instance of 'onnxruntime::OnnxRuntimeException'
+  #
+  # -> Skip all tests that require importing magika
+  pythonImportsCheck = lib.optionals isNotAarch64Linux [ "magika" ];
+  doCheck = isNotAarch64Linux;
 
   meta = {
     description = "Detect file content types with deep learning";
     homepage = "https://github.com/google/magika";
-    changelog = "https://github.com/google/magika/blob/python-v${version}/python/CHANGELOG.md";
+    changelog = "https://github.com/google/magika/blob/python-v${finalAttrs.version}/python/CHANGELOG.md";
     license = lib.licenses.asl20;
     maintainers = with lib.maintainers; [ mihaimaruseac ];
     mainProgram = "magika-python-client";
   };
-}
+})
diff --git a/pkgs/development/python-modules/markitdown/default.nix b/pkgs/development/python-modules/markitdown/default.nix
index c47f7361a2ef..cffa8aa21a21 100644
--- a/pkgs/development/python-modules/markitdown/default.nix
+++ b/pkgs/development/python-modules/markitdown/default.nix
@@ -1,15 +1,22 @@
 {
   lib,
+  stdenv,
   buildPythonPackage,
   fetchFromGitHub,
+
+  # build-system
   hatchling,
+
+  # dependencies
   beautifulsoup4,
   defusedxml,
   ffmpeg-headless,
+  lxml,
   magika,
   mammoth,
   markdownify,
   numpy,
+  olefile,
   openai,
   openpyxl,
   pandas,
@@ -20,15 +27,20 @@
   python-pptx,
   requests,
   speechrecognition,
-  youtube-transcript-api,
-  olefile,
   xlrd,
-  lxml,
+  youtube-transcript-api,
+
+  # tests
   pytestCheckHook,
+
+  # passthru
   gitUpdater,
 }:
 
-buildPythonPackage rec {
+let
+  isNotAarch64Linux = !(stdenv.hostPlatform.isLinux && stdenv.hostPlatform.isAarch64);
+in
+buildPythonPackage (finalAttrs: {
   pname = "markitdown";
   version = "0.1.4";
   pyproject = true;
@@ -36,11 +48,11 @@ buildPythonPackage rec {
   src = fetchFromGitHub {
     owner = "microsoft";
     repo = "markitdown";
-    tag = "v${version}";
+    tag = "v${finalAttrs.version}";
     hash = "sha256-WKA2eY8wY3SM9xZ7Cek5eUcJbO5q6eMDx2aTKfQnFvE=";
   };
 
-  sourceRoot = "${src.name}/packages/markitdown";
+  sourceRoot = "${finalAttrs.src.name}/packages/markitdown";
 
   build-system = [ hatchling ];
 
@@ -71,7 +83,12 @@ buildPythonPackage rec {
     youtube-transcript-api
   ];
 
-  pythonImportsCheck = [ "markitdown" ];
+  # aarch64-linux fails cpuinfo test, because /sys/devices/system/cpu/ does not exist in the sandbox:
+  # terminate called after throwing an instance of 'onnxruntime::OnnxRuntimeException'
+  #
+  # -> Skip all tests that require importing markitdown
+  pythonImportsCheck = lib.optionals isNotAarch64Linux [ "markitdown" ];
+  doCheck = isNotAarch64Linux;
 
   nativeCheckInputs = [ pytestCheckHook ];
 
@@ -88,8 +105,8 @@ buildPythonPackage rec {
   meta = {
     description = "Python tool for converting files and office documents to Markdown";
     homepage = "https://github.com/microsoft/markitdown";
-    changelog = "https://github.com/microsoft/markitdown/releases/tag/${src.tag}";
+    changelog = "https://github.com/microsoft/markitdown/releases/tag/${finalAttrs.src.tag}";
     license = lib.licenses.mit;
     maintainers = [ ];
   };
-}
+})
diff --git a/pkgs/development/python-modules/rembg/default.nix b/pkgs/development/python-modules/rembg/default.nix
index 58652d3d6d0f..209a1df7c07f 100644
--- a/pkgs/development/python-modules/rembg/default.nix
+++ b/pkgs/development/python-modules/rembg/default.nix
@@ -1,5 +1,6 @@
 {
   lib,
+  stdenv,
   buildPythonPackage,
   fetchFromGitHub,
 
@@ -36,6 +37,9 @@
   withCli ? false,
 }:
 
+let
+  isNotAarch64Linux = !(stdenv.hostPlatform.isLinux && stdenv.hostPlatform.isAarch64);
+in
 buildPythonPackage (finalAttrs: {
   pname = "rembg";
   version = "2.0.72";
@@ -106,7 +110,12 @@ buildPythonPackage (finalAttrs: {
     "NUMBA_CACHE_DIR"
   ];
 
-  pythonImportsCheck = [ "rembg" ];
+  # aarch64-linux fails cpuinfo test, because /sys/devices/system/cpu/ does not exist in the sandbox:
+  # terminate called after throwing an instance of 'onnxruntime::OnnxRuntimeException'
+  #
+  # -> Skip all tests that require importing rembg
+  pythonImportsCheck = lib.optionals isNotAarch64Linux [ "rembg" ];
+  doCheck = isNotAarch64Linux;
 
   meta = {
     description = "Tool to remove background from images";