anchor.diff:        six
         beautifulsoup4
         waitress
  -      unittest2
         mock
         pyquery
         wsgiproxy2
  
positive.code:       webtest 
        zope_component 
        zope_interface 
      ];
  
      propagatedBuildInputs = [
        chameleon
  
negative.code:       md5 = "a1266d4db421963fd3deb172c6689e4b";
      };
  
      buildInputs = [ pkgs.unzip ] ++ optionals isPy26 [ pythonPackages.ordereddict
                                                         pythonPackages.unittest2 ];
  
      # XXX: skipping two tests fails in python2.6
      doCheck = ! isPy26;
  
      propagatedBuildInputs = [
        nose
  