anchor.diff:        six
         beautifulsoup4
         waitress
  -      unittest2
         mock
         pyquery
         wsgiproxy2
  
positive.code: 
      meta = {
        description = "Helper to test WSGI applications";
        homepage = http://pythonpaste.org/webtest/;
        platforms = stdenv.lib.platforms.all;
      };
    };
  
negative.code: 
  
    webtest = buildPythonPackage rec {
      version = "2.0.11";
      name = "webtest-${version}";
    
      src = fetchurl {
        url = "http://pypi.python.org/packages/source/W/WebTest/WebTest-${version}.zip";
        md5 = "e51da21da8815cef07f543d8688effea";
      };
  
      # XXX: skipping two tests fails in python2.6
      doCheck = ! isPy26;
  
      buildInputs = [ pkgs.unzip ] ++ optionals isPy26 [ pythonPackages.ordereddict unittest2 ];
  
      propagatedBuildInputs = [
        nose
  