anchor.diff:  , zope-interface
   }:
   
  -let
  -  inherit (pythonPackages)
  -    isPy3k;
  -in
   buildPythonPackage rec {
     name = "certbot-${version}";
     version = "0.8.1";
  
positive.code: { stdenv
  , buildPythonPackage
  , fetchFromGitHub
  , pythonPackages
  
  , acme
  , ConfigArgParse
  , configobj
  , cryptography
  , parsedatetime
  , pkgs
  , psutil
  , pyopenssl
  , python2-pythondialog
  
negative.code:     sha256 = "48c453db74457ac88130480052246c132497fafd81c69e6ff9ff02f33243b855";
    };
  
    propagatedBuildInputs = [
      acme
      ConfigArgParse
      configobj
      cryptography
      dialog
      parsedatetime
      psutil
      pyopenssl
      python2-pythondialog
  