python3Packages.sjcl: modernize

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

···
   lib,
   buildPythonPackage,
   fetchFromGitHub,
+  setuptools,
   pycryptodome,
 }:
 
-buildPythonPackage rec {
+buildPythonPackage {
   pname = "sjcl";
   version = "0.2.1";
-
-  format = "setuptools";
+  pyproject = true;
 
   # PyPi release is missing tests
   src = fetchFromGitHub {
     owner = "berlincode";
-    repo = pname;
+    repo = "sjcl";
     # commit from: 2018-08-16, because there aren't any tags on git
     rev = "e8bdad312fa99c89c74f8651a1240afba8a9f3bd";
-    sha256 = "1v8rc55v28v8cl7nxcavj34am005wi63zcvwnbc6pyfbv4ss30ab";
+    hash = "sha256-S4GhNdnL+WvYsnyzP0zkBYCqyJBbsW4PZWgjsUthGe0=";
   };
 
-  propagatedBuildInputs = [ pycryptodome ];
+  build-system = [ setuptools ];
+
+  dependencies = [ pycryptodome ];
 
   pythonImportsCheck = [ "sjcl" ];
 
-  meta = with lib; {
-    description = "Decrypt and encrypt messages compatible to the \"Stanford Javascript Crypto Library (SJCL)\" message format. This is a wrapper around pycrypto";
+  meta = {
+    description = "Decrypt and encrypt messages compatible to the \"Stanford Javascript Crypto Library (SJCL)\" message format";
     homepage = "https://github.com/berlincode/sjcl";
-    license = licenses.bsd3;
-    maintainers = with maintainers; [ binsky ];
+    license = lib.licenses.bsd3;
+    maintainers = with lib.maintainers; [ binsky ];
   };
 }