python311Packages.python-ipmi: fix invalid specifier

pkgs/development/python-modules/python-ipmi/default.nix

···
 buildPythonPackage rec {
   pname = "python-ipmi";
   version = "0.5.4";
+  format = "setuptools";
+
   disabled = pythonOlder "3.6";
 
   src = fetchFromGitHub {
     owner = "kontron";
     repo = pname;
-    rev = version;
+    rev = "refs/tags/${version}";
     hash = "sha256-IXEq3d1nXGEndciQw2MJ1Abc0vmEYez+k6aWGSWEzWA=";
   };
+
+  postPatch = ''
+    substituteInPlace setup.py \
+      --replace "version=version," "version='${version}',"
+  '';
 
   propagatedBuildInputs = [
     future
···
     pytestCheckHook
   ];
 
-  pythonImportsCheck = [ "pyipmi" ];
+  pythonImportsCheck = [
+    "pyipmi"
+  ];
 
   meta = with lib; {
     description = "Python IPMI Library";