diff --git a/pkgs/by-name/po/powerdns-admin/package.nix b/pkgs/by-name/po/powerdns-admin/package.nix
index 7e18e8cdba14..d7dc896400e6 100644
--- a/pkgs/by-name/po/powerdns-admin/package.nix
+++ b/pkgs/by-name/po/powerdns-admin/package.nix
@@ -66,6 +66,8 @@ let
     werkzeug
     zipp
     zxcvbn
+    standard-imghdr
+
   ];
 
   all_patches = [
diff --git a/pkgs/development/python-modules/lima/default.nix b/pkgs/development/python-modules/lima/default.nix
index 76a47923b779..9244b2630f4e 100644
--- a/pkgs/development/python-modules/lima/default.nix
+++ b/pkgs/development/python-modules/lima/default.nix
@@ -2,26 +2,30 @@
   lib,
   buildPythonPackage,
   fetchPypi,
-  isPy3k,
   pytestCheckHook,
+  setuptools,
 }:
 
 buildPythonPackage rec {
   pname = "lima";
   version = "0.5";
-  format = "setuptools";
-  disabled = !isPy3k;
+  pyproject = true;
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "0qqj0053r77ppkcyyk2fhpaxjzsl1h98nf9clpny6cs66sdl241v";
+    hash = "sha256-OxBBmzZGM+PtpSw5ixIMVH/Z1YVOTO/ZvPecPAoAEmM=";
   };
 
+  build-system = [ setuptools ];
+
   nativeCheckInputs = [ pytestCheckHook ];
 
+  pythonImportsCheck = [ "lima" ];
+
   meta = with lib; {
-    description = "Lightweight Marshalling of Python 3 Objects";
+    description = "Lightweight Marshalling of Python Objects";
     homepage = "https://github.com/b6d/lima";
+    changelog = "https://github.com/b6d/lima/blob/${version}/CHANGELOG.rst";
     license = licenses.mit;
     maintainers = with maintainers; [ zhaofengli ];
   };