anchor.diff:  
     SODIUM_INSTALL = "system";
   
  -  pythonImportsCheck = [ "nacl" ];
  +  pythonImportsCheck = [
  +    "nacl"
  +  ];
   
     meta = with lib; {
       description = "Python binding to the Networking and Cryptography (NaCl) library";
       homepage = "https://github.com/pyca/pynacl/";
       license = licenses.asl20;
  +    maintainers = with maintainers; [ ];
     };
   }
  
positive.code: { lib
  , buildPythonPackage
  , fetchPypi
  , pytestCheckHook
  
negative.code: 
    propagatedBuildInputs = [
      cffi
    ];
  
    checkInputs = [
  