diff --git a/pkgs/development/python-modules/nessclient/default.nix b/pkgs/development/python-modules/nessclient/default.nix
index c21ef192bec9..d91a80eb9d0f 100644
--- a/pkgs/development/python-modules/nessclient/default.nix
+++ b/pkgs/development/python-modules/nessclient/default.nix
@@ -1,9 +1,12 @@
 { lib
+, asynctest
 , buildPythonPackage
 , click
 , fetchFromGitHub
 , justbackoff
 , pythonOlder
+, pytest-asyncio
+, pytestCheckHook
 }:
 
 buildPythonPackage rec {
@@ -25,15 +28,18 @@ buildPythonPackage rec {
     click
   ];
 
-  # Tests are not shipped
-  doCheck = false;
+  checkInputs = [
+    asynctest
+    pytest-asyncio
+    pytestCheckHook
+  ];
 
   pythonImportsCheck = [
     "nessclient"
   ];
 
   meta = with lib; {
-    description = "Python implementation/abstraction of the Ness D8x / D16x Serial Interface ASCII protocol";
+    description = "Python implementation/abstraction of the Ness D8x/D16x Serial Interface ASCII protocol";
     homepage = "https://github.com/nickw444/nessclient";
     license = with licenses; [ mit ];
     maintainers = with maintainers; [ fab ];