anchor.diff:      doCheck = false;
   
       meta = {
  -      homepage = "http://www.radicale.org/";
  +      homepage = http://www.radicale.org/;
         description = "CalDAV CardDAV server";
         longDescription = ''
           The Radicale Project is a complete CalDAV (calendar) and CardDAV
  
positive.code:         on mobile phones or computers.
        '';
        license = licenses.gpl3Plus;
        maintainers = with maintainers; [ edwtjo ];
      };
    };
  
  
negative.code:   radicale = buildPythonPackage rec {
      name = "radicale-${version}";
      namePrefix = "";
      version = "0.10";
  
      src = pkgs.fetchurl {
        url = "http://pypi.python.org/packages/source/R/Radicale/Radicale-${version}.tar.gz";
        sha256 = "0r1x23h9raadpdmxnanvhajvkk0ix377mv94jlazr18nfpsj4r8c";
      };
  
      propagatedBuildInputs = with self; [
  