anchor.diff:  
   
     tornado = buildPythonPackage rec {
  -    name = "tornado-3.1.1";
  -
  -    src = fetchurl {
  -      url = "http://pypi.python.org/packages/source/t/tornado/${name}.tar.gz";
  -      sha256 = "1ipx23ix8hyd88rywmwr7bfdgkvkdac87xq3f9l5vkm0wjzh8n9l";
  +    name = "tornado-3.2";
  +
  +    propagatedBuildInputs = [ backports_ssl_match_hostname_3_4_0_2 ];
  +
  +    src = fetchurl {
  +      url = "https://pypi.python.org/packages/source/t/tornado/${name}.tar.gz";
  +      md5 = "bd83cee5f1a5c5e139e87996d00b251b";
       };
   
       doCheck = false;
  
positive.code:     };
    });
  
    bcdoc = buildPythonPackage rec {
      name = "bcdoc-0.12.1";
  
  
negative.code:     propagatedBuildInputs = [ pythonPackages.pycurl ];
  
    });
    # */
  
    logilab_astng = buildPythonPackage rec {
      name = "logilab-astng-0.24.3";
  