diff --git a/pkgs/development/python-modules/msrest/default.nix b/pkgs/development/python-modules/msrest/default.nix
index 228f55b547ad0..83756a617e41a 100644
--- a/pkgs/development/python-modules/msrest/default.nix
+++ b/pkgs/development/python-modules/msrest/default.nix
@@ -1,19 +1,25 @@
 {
   lib,
+  buildPythonPackage,
+  fetchFromGitHub,
+  pythonAtLeast,
+
+  # build-system
+  setuptools,
+
+  # dependencies
   aiodns,
   aiohttp,
   azure-core,
-  buildPythonPackage,
   certifi,
-  fetchFromGitHub,
-  httpretty,
   isodate,
-  pytest-aiohttp,
-  pytestCheckHook,
-  pythonAtLeast,
   requests,
   requests-oauthlib,
-  setuptools,
+
+  # tests
+  pytestCheckHook,
+  pytest-aiohttp,
+  httpretty,
   trio,
 }:
 
@@ -25,17 +31,18 @@ buildPythonPackage {
   src = fetchFromGitHub {
     owner = "Azure";
     repo = "msrest-for-python";
-    # no tag for 0.7.1
+    # no tag for 0.7.1 see:
+    # https://github.com/Azure/msrest-for-python/issues/254
     rev = "2d8fd04f68a124d0f3df7b81584accc3270b1afc";
     hash = "sha256-1EXXXflhDeU+erdI+NsWxSX76ooDTl3+MyQwRzm2xV0=";
   };
 
-  nativeBuildInputs = [ setuptools ];
+  build-system = [ setuptools ];
 
-  propagatedBuildInputs = [
-    azure-core
+  dependencies = [
     aiodns
     aiohttp
+    azure-core
     certifi
     isodate
     requests
@@ -60,13 +67,23 @@ buildPythonPackage {
     "test_conf_async_trio_requests"
   ]
   ++ lib.optionals (pythonAtLeast "3.12") [
-    # AttributeError: 'TestAuthentication' object has no attribute...
+    # See https://github.com/Azure/msrest-for-python/issues/261
+    # Upstream ignores the following patch that should fix it:
+    # https://github.com/Azure/msrest-for-python/pull/262
+    # And it doesn't apply anymore.
     "test_apikey_auth"
     "test_cs_auth"
     "test_eventgrid_auth"
     "test_eventgrid_domain_auth"
   ];
 
+  disabledTestPaths = [
+    # 2 AssertionErrors... See:
+    # https://github.com/Azure/msrest-for-python/issues/267
+    "tests/asynctests/test_async_client.py::TestServiceClient::test_client_send"
+    "tests/test_client.py::TestServiceClient::test_client_send"
+  ];
+
   pythonImportsCheck = [ "msrest" ];
 
   meta = {