diff --git a/pkgs/development/python-modules/flake8-import-order/default.nix b/pkgs/development/python-modules/flake8-import-order/default.nix
index 9dd465ada993..b64afe82c6b7 100644
--- a/pkgs/development/python-modules/flake8-import-order/default.nix
+++ b/pkgs/development/python-modules/flake8-import-order/default.nix
@@ -1,27 +1,29 @@
 {
   lib,
   buildPythonPackage,
-  fetchPypi,
+  fetchFromGitHub,
   flake8,
   pycodestyle,
   pylama,
   pytestCheckHook,
-  pythonOlder,
+  setuptools,
 }:
 
 buildPythonPackage rec {
   pname = "flake8-import-order";
   version = "0.19.2";
-  format = "setuptools";
+  pyproject = true;
 
-  disabled = pythonOlder "3.7";
-
-  src = fetchPypi {
-    inherit pname version;
-    hash = "sha256-Ezs8VUl2MeQjUHT8mKlQeLuoF4MjefIqMfCtJFW8sLI=";
+  src = fetchFromGitHub {
+    owner = "PyCQA";
+    repo = "flake8-import-order";
+    tag = version;
+    hash = "sha256-mXw3+pQMr2Ut1prj9sCZc4jyErDOyWJgq6OBPU1nZxs=";
   };
 
-  propagatedBuildInputs = [ pycodestyle ];
+  build-system = [ setuptools ];
+
+  dependencies = [ pycodestyle ];
 
   nativeCheckInputs = [
     flake8
@@ -32,14 +34,11 @@ buildPythonPackage rec {
 
   pythonImportsCheck = [ "flake8_import_order" ];
 
-  meta = with lib; {
+  meta = {
     description = "Flake8 and pylama plugin that checks the ordering of import statements";
     homepage = "https://github.com/PyCQA/flake8-import-order";
     changelog = "https://github.com/PyCQA/flake8-import-order/blob/${version}/CHANGELOG.rst";
-    license = with licenses; [
-      lgpl3
-      mit
-    ];
+    license = lib.licenses.lgpl3Only;
     maintainers = [ ];
   };
 }