anchor.diff:  
     django_1_5 = buildPythonPackage rec {
       name = "Django-${version}";
  -    version = "1.5.6";
  +    version = "1.5.9";
   
       src = fetchurl {
         url = "http://www.djangoproject.com/m/releases/1.5/${name}.tar.gz";
  -      sha256 = "1bxzz71sfvh0zgdzv4x3wdr4ffzd5cfnvq7iq2g1i282sacwnzwv";
  +      sha256 = "1lm0pa6m9f4cd6pv239lqj32z1snf8xjbvlbh8bqihs6a1f51kj7";
       };
   
       # error: invalid command 'test'
  
positive.code: 
    django_1_4 = buildPythonPackage rec {
      name = "Django-${version}";
      version = "1.4.11";
  
      src = fetchurl {
        url = "http://www.djangoproject.com/m/releases/1.4/${name}.tar.gz";
        sha256 = "00f2jlls3fhddrg7q4sjkwj6dmclh28n0vqm1m7kzcq5fjrxh6a8";
      };
  
      # error: invalid command 'test'
  
negative.code: 
    django_1_6 = buildPythonPackage rec {
      name = "Django-${version}";
      version = "1.6.6";
  
      src = fetchurl {
        url = "http://www.djangoproject.com/m/releases/1.6/${name}.tar.gz";
        sha256 = "143yp984n8a2bs1dflxjp1s7skmji0cwkw05s9ikbfikwmabsv2k";
      };
  
      # error: invalid command 'test'
  