diff --git a/pkgs/development/python-modules/mkdocs-swagger-ui-tag/default.nix b/pkgs/development/python-modules/mkdocs-swagger-ui-tag/default.nix
index 31168c5370cf..d4c3690b4765 100644
--- a/pkgs/development/python-modules/mkdocs-swagger-ui-tag/default.nix
+++ b/pkgs/development/python-modules/mkdocs-swagger-ui-tag/default.nix
@@ -1,8 +1,8 @@
-{ buildPythonPackage
+{ lib
+, buildPythonPackage
 , drawio-headless
 , fetchPypi
-, isPy3k
-, lib
+, pythonOlder
 , mkdocs
 , beautifulsoup4
 }:
@@ -10,17 +10,23 @@
 buildPythonPackage rec {
   pname = "mkdocs-swagger-ui-tag";
   version = "0.6.1";
+  format = "setuptools";
 
-  disabled = !isPy3k;
+  disabled = pythonOlder "3.7";
 
   src = fetchPypi {
     inherit pname version;
     hash = "sha256-FBrAZ9MhPGPwJhVXslu5mvVIJ7gPDiCK/3EuPAq6RNw=";
   };
 
-  propagatedBuildInputs = [ mkdocs beautifulsoup4 ];
+  propagatedBuildInputs = [
+    mkdocs
+    beautifulsoup4
+  ];
 
-  pythonImportsCheck = [ "mkdocs_swagger_ui_tag" ];
+  pythonImportsCheck = [
+    "mkdocs_swagger_ui_tag"
+  ];
 
   meta = with lib; {
     description = "A MkDocs plugin supports for add Swagger UI in page";