anchor.diff: -{ lib, buildPythonPackage, fetchPypi, isPy3k
  -, django, django_tagging, whisper, pycairo, cairocffi, ldap, memcached, pytz, urllib3, scandir
  +{ lib, buildPythonPackage, fetchPypi
  +, django
  +, memcached
  +, txamqp
  +, django_tagging
  +, gunicorn
  +, pytz
  +, pyparsing
  +, cairocffi
  +, whisper
  +, whitenoise
  +, scandir
  +, urllib3
  +, six
   }:
  +
   buildPythonPackage rec {
     pname = "graphite-web";
     version = "1.1.7";
  
positive.code:   ];
  
    propagatedBuildInputs = [
      django django_tagging whisper pycairo cairocffi
      ldap memcached pytz urllib3 scandir
    ];
  
    # Carbon-s default installation is /opt/graphite. This env variable ensures
  
negative.code:       --replace "join(WEBAPP_DIR, 'content')" "join('$out', 'webapp', 'content')"
    '';
  
    pythonImportsCheck = [ "graphite" ];
  
    meta = with lib; {
      homepage = "http://graphiteapp.org/";
      description = "Enterprise scalable realtime graphing";
  