diff --git a/pkgs/development/python-modules/variants/default.nix b/pkgs/development/python-modules/variants/default.nix
index e1483dbf96fd..8379034af9e5 100644
--- a/pkgs/development/python-modules/variants/default.nix
+++ b/pkgs/development/python-modules/variants/default.nix
@@ -1,20 +1,22 @@
-{ buildPythonPackage
-, isPy27
+{ lib
+, buildPythonPackage
 , fetchPypi
-, pytest-runner
-, setuptools-scm
 , pytestCheckHook
+, pythonOlder
+, setuptools-scm
 , six
-, lib
 }:
 
 buildPythonPackage rec {
   pname = "variants";
   version = "0.2.0";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.7";
 
   src = fetchPypi {
-    inherit pname version ;
-    sha256 = "511f75b4cf7483c27e4d86d9accf2b5317267900c166d17636beeed118929b90";
+    inherit pname version;
+    hash = "sha256-UR91tM90g8J+TYbZrM8rUxcmeQDBZtF2Nr7u0RiSm5A=";
   };
 
   nativeBuildInputs = [
@@ -26,9 +28,14 @@ buildPythonPackage rec {
     six
   ];
 
+  pythonImportsCheck = [
+    "variants"
+  ];
+
   meta = with lib; {
     description = "Library providing syntactic sugar for creating variant forms of a canonical function";
     homepage = "https://github.com/python-variants/variants";
+    changelog = "https://github.com/python-variants/variants/releases/tag/${version}";
     license = licenses.asl20;
     maintainers = with maintainers; [ rakesh4g ];
   };