anchor.diff:  
     django_1_5 = buildPythonPackage rec {
       name = "Django-${version}";
  -    version = "1.5.9";
  +    version = "1.5.12";
   
       src = pkgs.fetchurl {
         url = "http://www.djangoproject.com/m/releases/1.5/${name}.tar.gz";
  -      sha256 = "1lm0pa6m9f4cd6pv239lqj32z1snf8xjbvlbh8bqihs6a1f51kj7";
  +      sha256 = "1vbcvn6ncg7hq5i1w95h746vkq9lmp120vx63h3p56z5nsz7gpmk";
       };
   
       # error: invalid command 'test'
  
positive.code: 
    django_1_4 = buildPythonPackage rec {
      name = "Django-${version}";
      version = "1.4.14";
  
      src = pkgs.fetchurl {
        url = "http://www.djangoproject.com/m/releases/1.4/${name}.tar.gz";
        sha256 = "173ci9ml2vs1z2x51wahssfn8mrmhd02varmg9kibm8z460svvc1";
      };
  
      # error: invalid command 'test'
  
negative.code:     };
    };
  
    django = self.django_1_7;
  
    django_1_7 = buildPythonPackage rec {
      name = "Django-${version}";
      version = "1.7.7";
  
      src = pkgs.fetchurl {
        url = "http://www.djangoproject.com/m/releases/1.7/${name}.tar.gz";
        sha256 = "0crfpnf246c25887by2fjlxinp4rnhya4ksqfydcls9m0s9gh5j8";
      };
  
      # error: invalid command 'test'
  