diff --git a/pkgs/development/python-modules/webssh/default.nix b/pkgs/development/python-modules/webssh/default.nix
index 00aff794372d..49b7097549d6 100644
--- a/pkgs/development/python-modules/webssh/default.nix
+++ b/pkgs/development/python-modules/webssh/default.nix
@@ -1,21 +1,37 @@
-{ lib, buildPythonPackage, fetchPypi, tornado, paramiko }:
+{ lib
+, buildPythonPackage
+, fetchPypi
+, paramiko
+, pytestCheckHook
+, tornado
+}:
 
 buildPythonPackage rec {
   pname = "webssh";
   version = "1.5.3";
+  format = "setuptools";
 
   src = fetchPypi {
     inherit pname version;
     hash = "sha256-Au6PE8jYm8LkEp0B1ymW//ZkrkcV0BauwufQmrHLEU4=";
   };
 
-  propagatedBuildInputs = [ tornado paramiko ];
+  propagatedBuildInputs = [
+    paramiko
+    tornado
+  ];
 
-  pythonImportsCheck = [ "webssh" ];
+  checkInputs = [
+    pytestCheckHook
+  ];
+
+  pythonImportsCheck = [
+    "webssh"
+  ];
 
   meta = with lib; {
+    description = "Web based SSH client";
     homepage = "https://github.com/huashengdun/webssh/";
-    description = "Web based ssh client";
     license = licenses.mit;
     maintainers = with maintainers; [ davidtwco ];
   };