anchor.diff:      six
     ];
   
  -  meta = with stdenv.lib; {
  +  meta = with lib; {
       maintainers = with maintainers; [
         wkennington
       ];
  
positive.code:   src = fetchPyPi {
      package = "fasteners";
      inherit version;
      sha256 = "427c76773fe036ddfa41e57d89086ea03111bbac57c55fc55f3006d027107e18";
    };
  
    propagatedBuildInputs = [
  
negative.code: { stdenv
  , buildPythonPackage
  , fetchPyPi
  , lib
  
  , monotonic
  , six
  }:
  
  let
    version = "0.15";
  in
  buildPythonPackage {
    name = "fasteners-${version}";
  