anchor.diff:  , fetchPypi
   , importlib-metadata
   , passlib
  +, python-dateutil
   , pythonOlder
   , scramp
   , setuptools
  
positive.code: 
  buildPythonPackage rec {
    pname = "pg8000";
    version = "1.29.1";
    format = "pyproject";
  
    disabled = pythonOlder "3.7";
  
    src = fetchPypi {
      inherit pname version;
      hash = "sha256-gLT03ksCVIMreUhRHg3UY0LRwERszU/diStj0C5PvHs=";
    };
  
    nativeBuildInputs = [
  
negative.code: 
    propagatedBuildInputs = [
      passlib
      python-dateutil
      scramp
    ] ++ lib.optionals (pythonOlder "3.8") [
      importlib-metadata
  