python311Packages.token-bucket: add patch to replace imp

pkgs/development/python-modules/token-bucket/default.nix

@@ -2,14 +2,16 @@
 , stdenv
 , buildPythonPackage
 , fetchFromGitHub
+, fetchpatch
 , pytestCheckHook
 , pythonOlder
+, setuptools
 }:
 
 buildPythonPackage rec {
   pname = "token-bucket";
   version = "0.3.0";
-  format = "setuptools";
+  pyproject = true;
 
   disabled = pythonOlder "3.7";
 
@@ -20,11 +22,24 @@ buildPythonPackage rec {
     hash = "sha256-dazqJRpC8FUHOhgKFzDnIl5CT2L74J2o2Hsm0IQf4Cg=";
   };
 
+  patches = [
+    # Replace imp with importlib, https://github.com/falconry/token-bucket/pull/24
+    (fetchpatch {
+      name = "remove-imp.patch";
+      url = "https://github.com/falconry/token-bucket/commit/10a3c9f4de00f4933349f66b4c72b6c96db6e766.patch";
+      hash = "sha256-Hk5+i3xzeA3F1kXRaRarWT9mff2lT2WNmTfTZvYzGYI=";
+    })
+  ];
+
   postPatch = ''
     substituteInPlace setup.py \
       --replace "'pytest-runner'" ""
   '';
 
+  nativeBuildInputs = [
+    setuptools
+  ];
+
   nativeCheckInputs = [
     pytestCheckHook
   ];